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$68.86, Apr 5 - May 6 $68.86, Apr 5 - May 6 $54.65, May 3 - May 9 $27.50, May 3 2:41 pm $68.86, Apr 5 - May 6 $54.65, May 3 - May 9 $27.00, May 5 6:21 pm $71.29, May 6 - May 27 $54.65, May 3 - May 9 $22.82, May 7 2:16 pm $71.29, May 6 - May 27 $66.57, May 9 - May 11 $22.70, May 9 6:41 pm $71.29, May 6 - May 27 $66.57, May 9 - May 11 $22.60, May 11 1:15 pm $71.29, May 6 - May 27 $43.93, May 12 - May 23 $22.49, May 13 7:01 am $71.29, May 6 - May 27 $43.93, May 12 - May 23 $22.46, May 13 11:21 pm $71.29, May 6 - May 27 $43.93, May 12 - May 23 $22.27, May 17 3:14 am $71.29, May 6 - May 27 $43.93, May 12 - May 23 $22.14, May 19 10:47 am $71.29, May 6 - May 27 $43.93, May 12 - May 23 $22.03, May 21 4:52 am $71.29, May 6 - May 27 $43.93, May 12 - May 23 $21.92, May 23 12:50 am $71.29, May 6 - May 27 $66.56, May 24 9:17 pm $21.80, May 24 9:17 pm $71.29, May 6 - May 27 $66.57, May 26 - May 28 $21.67, May 26 8:23 pm $71.21, May 28 - Jun 17 $63.77, May 28 - May 30 $21.55, May 28 6:13 pm $71.21, May 28 - Jun 17 $63.77, May 28 - May 30 $21.45, May 30 5:51 pm $71.21, May 28 - Jun 17 $63.76, May 31 - Jun 5 $21.17, Jun 1 5:59 pm $71.21, May 28 - Jun 17 $63.76, May 31 - Jun 5 $20.85, Jun 3 7:56 pm $71.21, May 28 - Jun 17 $63.76, May 31 - Jun 5 $20.65, Jun 5 4:35 am $71.21, May 28 - Jun 17 $63.77, Jun 6 - Jun 8 $20.38, Jun 7 11:13 am $71.21, May 28 - Jun 17 $63.61, Jun 9 2:16 pm $20.00, Jun 9 2:16 pm $71.21, May 28 - Jun 17 $63.10, Jun 11 - Jun 12 $19.59, Jun 11 9:08 pm $71.21, May 28 - Jun 17 $63.26, Jun 13 11:48 am $19.34, Jun 13 11:48 am $71.21, May 28 - Jun 17 $63.76, Jun 14 - Jun 15 $18.97, Jun 15 3:17 pm $71.21, May 28 - Jun 17 $63.71, Jun 17 4:03 am $18.71, Jun 17 4:03 am $73.92, Jun 17 - Dec 14 $62.97, Jun 19 - Jun 20 $18.36, Jun 19 10:29 am $73.92, Jun 17 - Dec 14 $62.96, Jun 20 11:12 pm $18.14, Jun 20 11:12 pm $73.92, Jun 17 - Dec 14 $62.63, Jun 23 4:18 am $17.80, Jun 23 4:18 am $73.92, Jun 17 - Dec 14 $62.98, Jun 23 - Jun 26 $17.42, Jun 25 11:34 am $73.92, Jun 17 - Dec 14 $62.81, Jun 26 11:13 pm $17.16, Jun 26 11:13 pm $73.92, Jun 17 - Dec 14 $62.30, Jun 29 - Jun 30 $16.83, Jun 29 7:29 am $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $16.24, Jul 1 4:47 am $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $15.76, Jul 2 7:25 am $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $14.77, Jul 4 3:27 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $14.17, Jul 5 7:17 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $13.13, Jul 8 12:31 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $12.43, Jul 10 7:26 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $12.04, Jul 12 12:21 am $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $11.13, Jul 14 3:22 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $10.74, Jul 15 6:36 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $9.92, Jul 18 10:12 am $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $9.47, Jul 20 4:26 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $9.28, Jul 21 2:00 pm $73.92, Jun 17 - Dec 14 $62.98, Jul 1 - Jul 24 $9.14, Jul 23 8:11 pm $73.92, Jun 17 - Dec 14 $63.61, Jul 25 - Jul 27 $8.74, Jul 26 11:55 am $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $8.40, Jul 28 10:01 am $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $8.04, Jul 30 5:39 am $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $7.43, Aug 1 1:51 am $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $6.68, Aug 2 8:20 pm $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $5.86, Aug 4 5:04 pm $73.92, Jun 17 - Dec 14 $48.45, Jul 28 - Aug 7 $4.80, Aug 6 7:16 pm $73.92, Jun 17 - Dec 14 $56.43, Aug 8 8:01 pm $3.92, Aug 8 8:01 pm $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $3.33, Aug 11 2:13 am $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $12.71, Aug 13 12:08 am $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $12.73, Aug 13 - Aug 23 $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $39.12, Aug 24 1:15 pm $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $44.98, Aug 25 - Aug 26 $73.92, Jun 17 - Dec 14 $63.61, Aug 9 - Aug 27 $44.88, Aug 27 10:32 pm $73.92, Jun 17 - Dec 14 $70.37, Aug 29 - Aug 31 $44.58, Aug 30 3:36 am $73.92, Jun 17 - Dec 14 $66.16, Sep 1 12:19 pm $43.98, Sep 1 12:19 pm $73.92, Jun 17 - Dec 14 $70.17, Sep 2 5:24 pm $43.66, Sep 2 5:24 pm $73.92, Jun 17 - Dec 14 $69.63, Sep 5 7:19 am $43.28, Sep 5 7:19 am $73.92, Jun 17 - Dec 14 $65.02, Sep 6 - Sep 7 $43.05, Sep 6 3:34 pm $73.92, Jun 17 - Dec 14 $65.99, Sep 9 - Sep 11 $42.41, Sep 9 12:28 am $73.92, Jun 17 - Dec 14 $65.99, Sep 9 - Sep 11 $42.22, Sep 10 5:43 am $73.92, Jun 17 - Dec 14 $65.99, Sep 9 - Sep 11 $42.12, Sep 11 9:52 am $73.92, Jun 17 - Dec 14 $65.98, Sep 13 4:17 pm $41.50, Sep 13 4:17 pm $73.92, Jun 17 - Dec 14 $65.64, Sep 15 7:20 pm $40.84, Sep 15 7:20 pm $73.92, Jun 17 - Dec 14 $65.65, Sep 17 9:10 pm $40.52, Sep 17 9:10 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $39.76, Sep 19 11:14 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $37.97, Sep 22 1:22 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $37.42, Sep 24 2:01 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $36.93, Sep 26 4:43 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $36.46, Sep 28 5:32 pm $73.92, Jun 17 - Dec 14 $65.48, Sep 19 - Sep 30 $36.21, Sep 30 7:00 pm $73.92, Jun 17 - Dec 14 $69.92, Oct 2 - Oct 4 $35.94, Oct 2 10:20 pm $73.92, Jun 17 - Dec 14 $69.92, Oct 2 - Oct 4 $35.53, Oct 4 11:57 pm $73.92, Jun 17 - Dec 14 $69.90, Oct 7 2:08 am $35.25, Oct 7 2:08 am $73.92, Jun 17 - Dec 14 $69.86, Oct 9 3:41 am $35.08, Oct 9 3:41 am $73.92, Jun 17 - Dec 14 $69.92, Oct 11 - Oct 13 $34.71, Oct 11 7:20 am $73.92, Jun 17 - Dec 14 $69.92, Oct 11 - Oct 13 $30.96, Oct 13 10:03 am $73.92, Jun 17 - Dec 14 $69.91, Oct 15 12:51 pm $25.33, Oct 15 12:51 pm $73.92, Jun 17 - Dec 14 $69.92, Oct 17 - Oct 22 $20.95, Oct 17 5:00 pm $73.92, Jun 17 - Dec 14 $69.92, Oct 17 - Oct 22 $16.88, Oct 19 9:33 pm $73.92, Jun 17 - Dec 14 $69.92, Oct 17 - Oct 22 $13.09, Oct 22 2:52 am $73.92, Jun 17 - Dec 14 $69.11, Oct 24 9:43 am $10.66, Oct 24 9:43 am $73.92, Jun 17 - Dec 14 $65.92, Oct 30 7:37 am $6.53, Oct 30 7:37 am $73.92, Jun 17 - Dec 14 $66.70, Nov 4 9:43 pm $3.61, Nov 4 9:43 pm $73.92, Jun 17 - Dec 14 $70.47, Nov 11 9:26 am $3.25, Nov 11 9:26 am $73.92, Jun 17 - Dec 14 $69.90, Nov 14 2:08 am $44.96, Nov 14 2:08 am $73.92, Jun 17 - Dec 14 $59.84, Nov 17 8:10 pm $44.52, Nov 17 8:10 pm $73.92, Jun 17 - Dec 14 $60.02, Nov 20 6:51 am $43.97, Nov 20 6:51 am $73.92, Jun 17 - Dec 14 $56.74, Nov 22 9:30 am $11.98, Nov 22 9:30 am $73.92, Jun 17 - Dec 14 $60.16, Nov 24 11:00 am $11.73, Nov 24 11:00 am $73.92, Jun 17 - Dec 14 $57.78, Nov 26 9:42 am $11.57, Nov 26 9:42 am $73.92, Jun 17 - Dec 14 $64.64, Nov 28 7:54 am $11.30, Nov 28 7:54 am $73.92, Jun 17 - Dec 14 $58.96, Nov 30 6:19 am $10.76, Nov 30 6:19 am $73.92, Jun 17 - Dec 14 $55.68, Dec 2 4:54 am $9.41, Dec 2 - Dec 14 $73.92, Jun 17 - Dec 14 $53.18, Dec 4 3:31 am $9.41, Dec 2 - Dec 14 $73.92, Jun 17 - Dec 14 $50.98, Dec 6 1:23 am $9.41, Dec 2 - Dec 14 $73.92, Jun 17 - Dec 14 $51.70, Dec 8 12:38 am $9.41, Dec 2 - Dec 14 $73.92, Jun 17 - Dec 14 $66.38, Dec 10 - Dec 12 $9.41, Dec 2 - Dec 14 $73.92, Jun 17 - Dec 14 $68.97, Dec 14 - Dec 18 $9.41, Dec 2 - Dec 14 $74.65, Dec 16 - Dec 18 $68.97, Dec 14 - Dec 18 $17.94, Dec 16 2:18 am $74.65, Dec 16 - Dec 18 $68.97, Dec 14 - Dec 18 $17.62, Dec 18 1:04 am $75.03, Dec 22 - Dec 26 $70.70, Dec 22 10:54 am $15.80, Dec 22 10:54 am $75.03, Dec 22 - Dec 26 $69.64, Dec 24 1:31 pm $14.01, Dec 24 1:31 pm $75.03, Dec 22 - Dec 26 $69.15, Dec 26 3:13 pm $13.86, Dec 25 - Dec 26 $74.65, Dec 28 - Jan 22 $65.52, Dec 28 5:52 pm $13.62, Dec 28 5:52 pm $74.65, Dec 28 - Jan 22 $67.22, Dec 30 1:21 am $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $65.81, Dec 31 12:05 pm $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $68.97, Jan 3 11:59 pm $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $68.96, Jan 4 - Jan 5 $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $69.38, Jan 6 - Jan 9 $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $70.51, Jan 10 - Jan 12 $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $70.52, Jan 14 - Jan 19 $45.00, Dec 30 - Feb 5 $74.65, Dec 28 - Jan 22 $70.51, Jan 21 - Jan 26 $45.00, Dec 30 - Feb 5 $75.07, Jan 24 - Jan 29 $70.51, Jan 21 - Jan 26 $45.00, Dec 30 - Feb 5 $75.07, Jan 24 - Jan 29 $71.84, Jan 27 5:55 pm $45.00, Dec 30 - Feb 5 $75.06, Jan 31 - Apr 23 $71.81, Jan 31 - Feb 1 $45.00, Dec 30 - Feb 5 $75.06, Jan 31 - Apr 23 $71.79, Feb 3 6:44 pm $45.00, Dec 30 - Feb 5 $75.06, Jan 31 - Apr 23 $71.77, Feb 5 12:37 pm $45.00, Dec 30 - Feb 5 $75.06, Jan 31 - Apr 23 $71.76, Feb 7 7:43 am $44.99, Feb 7 - Feb 10 $75.06, Jan 31 - Apr 23 $71.75, Feb 9 3:27 am $44.99, Feb 7 - Feb 10 $75.06, Jan 31 - Apr 23 $71.73, Feb 10 10:38 pm $44.99, Feb 7 - Feb 10 $75.06, Jan 31 - Apr 23 $62.78, Feb 12 5:52 pm $20.89, Feb 12 - Feb 16 $75.06, Jan 31 - Apr 23 $62.77, Feb 14 1:25 pm $20.89, Feb 12 - Feb 16 $75.06, Jan 31 - Apr 23 $63.84, Feb 16 - Feb 20 $20.89, Feb 12 - Feb 16 $75.06, Jan 31 - Apr 23 $63.84, Feb 16 - Feb 20 $44.99, Feb 18 7:53 am $75.06, Jan 31 - Apr 23 $63.84, Feb 16 - Feb 20 $34.99, Feb 20 - Feb 22 $75.06, Jan 31 - Apr 23 $63.82, Feb 22 3:36 am $34.99, Feb 20 - Feb 22 $75.06, Jan 31 - Apr 23 $63.80, Feb 24 1:58 am $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.78, Feb 25 10:26 pm $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.76, Feb 27 8:20 pm $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.74, Mar 1 8:52 pm $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.72, Mar 4 2:13 am $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.70, Mar 6 5:20 am $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.68, Mar 8 6:08 am $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.65, Mar 10 11:31 am $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.63, Mar 12 6:22 pm $44.99, Feb 24 - Mar 12 $75.06, Jan 31 - Apr 23 $63.61, Mar 15 3:00 am $63.12, Mar 15 3:00 am $75.06, Jan 31 - Apr 23 $63.57, Mar 18 5:36 pm $62.70, Mar 18 5:36 pm $75.06, Jan 31 - Apr 23 $63.55, Mar 20 11:17 pm $62.39, Mar 20 11:17 pm $75.06, Jan 31 - Apr 23 $63.52, Mar 23 7:15 am $61.87, Mar 23 7:15 am $75.06, Jan 31 - Apr 23 $63.50, Mar 25 1:28 pm $61.43, Mar 25 1:28 pm $75.06, Jan 31 - Apr 23 $63.48, Mar 27 8:39 pm $61.26, Mar 27 8:39 pm $75.06, Jan 31 - Apr 23 $63.46, Mar 30 5:08 am $61.18, Mar 30 5:08 am $75.06, Jan 31 - Apr 23 $64.61, Apr 1 3:20 pm $61.08, Apr 1 3:20 pm $75.06, Jan 31 - Apr 23 $71.19, Apr 4 6:41 am $60.99, Apr 4 6:41 am $75.06, Jan 31 - Apr 23 $71.59, Apr 6 10:26 pm $45.68, Apr 6 10:26 pm $75.06, Jan 31 - Apr 23 $71.48, Apr 9 3:31 pm $63.06, Apr 9 3:31 pm $75.06, Jan 31 - Apr 23 $65.00, Apr 12 12:22 pm $62.29, Apr 12 12:22 pm $75.06, Jan 31 - Apr 23 $71.06, Apr 15 8:41 am $61.42, Apr 15 8:41 am $75.06, Jan 31 - Apr 23 $72.05, Apr 17 9:45 pm $60.86, Apr 17 9:45 pm $75.06, Jan 31 - Apr 23 $72.00, Apr 20 11:57 am $59.97, Apr 20 11:57 am $75.06, Jan 31 - Apr 23 $72.05, Apr 23 6:25 am $59.02, Apr 23 6:25 am $75.06, Apr 26 - May 24 $72.05, Apr 26 - May 1 $58.10, Apr 26 3:38 am $75.06, Apr 26 - May 24 $72.05, Apr 26 - May 1 $27.48, Apr 29 3:17 am $75.06, Apr 26 - May 24 $72.05, Apr 26 - May 1 $27.32, May 1 9:53 pm $75.06, Apr 26 - May 24 $72.85, May 4 12:27 pm $27.48, May 4 12:27 pm $75.06, Apr 26 - May 24 $73.46, May 7 4:33 pm $27.44, May 7 4:33 pm $75.06, Apr 26 - May 24 $72.05, May 9 - May 20 $27.47, May 9 6:21 pm $75.06, Apr 26 - May 24 $72.05, May 9 - May 20 $27.46, May 12 11:32 pm $75.06, Apr 26 - May 24 $72.05, May 9 - May 20 $27.45, May 16 10:26 am $75.06, Apr 26 - May 24 $72.05, May 9 - May 20 $68.58, May 20 6:01 pm $75.06, Apr 26 - May 24 $71.87, May 24 8:13 pm $68.19, May 24 8:13 pm $89.00, May 29 - Aug 8 $67.18, May 29 6:35 am $58.79, May 29 6:35 am $89.00, May 29 - Aug 8 $71.87, Jun 2 - Jun 7 $57.62, Jun 2 9:34 pm $89.00, May 29 - Aug 8 $71.87, Jun 2 - Jun 7 $56.65, Jun 7 12:11 pm $89.00, May 29 - Aug 8 $71.18, Jun 11 11:58 am $55.91, Jun 11 11:58 am $89.00, May 29 - Aug 8 $71.86, Jun 15 6:27 am $54.86, Jun 15 6:27 am $89.00, May 29 - Aug 8 $63.22, Jun 19 1:13 am $54.08, Jun 19 1:13 am $89.00, May 29 - Aug 8 $71.86, Jun 22 - Jul 4 $53.29, Jun 22 6:50 pm $89.00, May 29 - Aug 8 $71.86, Jun 22 - Jul 4 $52.33, Jun 26 2:17 pm $89.00, May 29 - Aug 8 $71.86, Jun 22 - Jul 4 $51.61, Jun 30 3:10 pm $89.00, May 29 - Aug 8 $71.86, Jun 22 - Jul 4 $50.50, Jul 4 7:06 pm $89.00, May 29 - Aug 8 $70.00, Jul 10 - Jul 14 $50.34, Jul 10 - Jul 21 $89.00, May 29 - Aug 8 $77.00, Jul 18 - Aug 12 $50.34, Jul 10 - Jul 21 $89.00, May 29 - Aug 8 $77.00, Jul 18 - Aug 12 $48.95, Jul 25 - Aug 8 $89.99, Aug 12 - Nov 2 $77.00, Jul 18 - Aug 12 $48.96, Aug 12 - Aug 31 $89.99, Aug 12 - Nov 2 $71.86, Aug 16 - Aug 23 $48.96, Aug 12 - Aug 31 $89.99, Aug 12 - Nov 2 $71.87, Aug 27 4:21 pm $48.96, Aug 12 - Aug 31 $89.99, Aug 12 - Nov 2 $75.72, Aug 31 9:34 am $48.96, Aug 12 - Aug 31 $89.99, Aug 12 - Nov 2 $76.69, Sep 4 6:24 am $46.63, Sep 4 6:24 am $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $45.94, Sep 8 4:10 am $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $45.27, Sep 12 1:09 am $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $44.23, Sep 15 10:36 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $43.57, Sep 19 7:08 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $42.91, Sep 23 5:37 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $42.19, Sep 27 3:17 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $39.94, Oct 1 3:52 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $39.25, Oct 5 5:56 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $37.66, Oct 9 9:33 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $36.27, Oct 13 9:18 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $35.10, Oct 17 6:33 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $33.09, Oct 21 4:10 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $31.84, Oct 25 12:25 pm $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $30.13, Oct 29 11:05 am $89.99, Aug 12 - Nov 2 $75.72, Sep 8 - Nov 2 $29.36, Nov 2 10:41 am $54.99, Nov 6 - Apr 13 $51.19, Nov 6 1:59 pm $29.20, Nov 6 1:59 pm $54.99, Nov 6 - Apr 13 $51.00, Nov 10 4:31 pm $28.86, Nov 10 4:31 pm $54.99, Nov 6 - Apr 13 $51.40, Nov 14 - Nov 19 $27.73, Nov 14 6:38 pm $54.99, Nov 6 - Apr 13 $51.40, Nov 14 - Nov 19 $27.02, Nov 19 3:42 am $54.99, Nov 6 - Apr 13 $51.19, Nov 23 1:50 pm $26.76, Nov 23 1:50 pm $54.99, Nov 6 - Apr 13 $50.99, Nov 28 4:15 am $26.22, Nov 28 4:15 am $54.99, Nov 6 - Apr 13 $50.95, Dec 3 1:02 am $24.68, Dec 3 1:02 am $54.99, Nov 6 - Apr 13 $50.89, Dec 7 10:43 pm $24.06, Dec 7 10:43 pm $54.99, Nov 6 - Apr 13 $50.95, Dec 13 12:56 am $20.99, Dec 13 12:56 am $54.99, Nov 6 - Apr 13 $50.96, Dec 18 3:24 am $20.89, Dec 18 3:24 am $54.99, Nov 6 - Apr 13 $50.86, Dec 23 12:41 am $17.78, Dec 23 12:41 am $54.99, Nov 6 - Apr 13 $50.78, Dec 28 6:56 am $15.16, Dec 28 6:56 am $54.99, Nov 6 - Apr 13 $50.73, Jan 2 12:32 am $14.50, Jan 2 12:32 am $54.99, Nov 6 - Apr 13 $50.61, Jan 6 9:11 pm $11.45, Jan 6 9:11 pm $54.99, Nov 6 - Apr 13 $50.05, Jan 11 6:35 pm $9.24, Jan 11 6:35 pm $54.99, Nov 6 - Apr 13 $48.27, Jan 16 5:05 pm $5.45, Jan 16 5:05 pm $54.99, Nov 6 - Apr 13 $47.61, Jan 21 5:26 pm $1.35, Jan 21 5:26 pm $54.99, Nov 6 - Apr 13 $47.14, Jan 26 6:59 pm $0.63, Jan 26 - Feb 10 $54.99, Nov 6 - Apr 13 $47.28, Jan 31 6:07 pm $0.63, Jan 26 - Feb 10 $54.99, Nov 6 - Apr 13 $47.88, Feb 5 10:00 pm $0.63, Jan 26 - Feb 10 $54.99, Nov 6 - Apr 13 $47.44, Feb 10 11:42 pm $0.63, Jan 26 - Feb 10 $54.99, Nov 6 - Apr 13 $47.94, Feb 16 8:17 am $1.25, Feb 16 8:17 am $54.99, Nov 6 - Apr 13 $48.50, Feb 21 9:18 pm $1.00, Feb 21 9:18 pm $54.99, Nov 6 - Apr 13 $48.43, Feb 27 6:39 am $0.99, Feb 27 6:39 am $54.99, Nov 6 - Apr 13 $45.95, Mar 9 - Apr 2 $1.14, Mar 9 11:54 pm $54.99, Nov 6 - Apr 13 $45.95, Mar 9 - Apr 2 $2.05, Mar 21 6:46 pm $54.99, Nov 6 - Apr 13 $45.95, Mar 9 - Apr 2 $2.34, Apr 2 8:23 am $54.99, Nov 6 - Apr 13 $47.99, Apr 13 9:40 pm $2.39, Apr 13 9:40 pm
190,521 2,551,643
2,734,375
2,050,781
1,367,188
683,594
0
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2016
Price Details
New
Last Seen
$54.99 Apr 13, '16
Highest
$89.99 Aug 12, '15
Lowest
$54.99 Nov 6, '15
Average
$54.99 (30d avg) $54.99 (90d avg) $59.02 (180d avg) $72.70 (365d avg) $73.12 (Lifetime average)
Added
Apr 5, 2014
3rd Party New
Last Seen
$47.99 Apr 13, '16
Highest
$77.00 Jul 18, '15
Lowest
$43.93 May 12, '14
Average
$45.95 (30d avg) $47.13 (90d avg) $51.92 (180d avg) $62.77 (365d avg) $63.44 (Lifetime average)
Added
Apr 5, 2014
3rd Party Used
Last Seen
$2.39 Apr 13, '16
Highest
$68.58 May 20, '15
Lowest
$0.63 Jan 26, '16
Average
$2.19 (30d avg) $1.53 (90d avg) $12.77 (180d avg) $30.65 (365d avg) $29.85 (Lifetime average)
Added
Apr 5, 2014
Sales Rank
30 day average: 1,241,481 90 day average: 1,156,164
Product Description
During the past twenty years, our knowledge about expertise has dramatically increased. Laboratory analyses of chessmasters, experts in physics, medicine, international-level musicians, athletes, writers, and performance artists have allowed us to carefully examine the cognitive processes mediating outstanding performance in very diverse areas of expertise. These analyses have shown that expert performance is primarily a reflection of acquired skill resulting from the accumulation of domain-specific knowledge and methods during many years of training and practice rather than special innate talent. Confronted with universal limits of human information processing concerning memory capacity and speed of processing, expert performers are found to be able to acquire similar types of skills to circumvent these limits. General findings on expertise are systematized to lay the foundation of a general theory of expertise. In this book, many of the world's foremost scientists studying expert performance in specific domains of expertise review the state-of-the-art knowledge about expertise in these domains with the goal of identifying characteristics of expert performance that can be generalized across many different areas of expertise. These papers provide a comprehensive summary of general methods to study expertise and the current knowledge about expertise in chess, physics, medicine, sports, performing arts, music, writing, and decision-making. Most importantly, they reveal the existence of many general characteristics of expertise.
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