Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	37.72	37.76	37.11	37.36	434,837	-0.20(-0.53%)
May 23, 2011	37.62	37.99	37.43	37.56	573,702	-0.75(-1.96%)
May 20, 2011	38.16	38.51	37.73	38.31	568,338	-0.03(-0.08%)
May 19, 2011	38.83	38.91	38.11	38.34	537,454	-0.18(-0.47%)
May 18, 2011	37.97	38.65	37.77	38.52	719,620	+0.56(+1.48%)
May 17, 2011	37.73	38.08	37.47	37.96	748,676	-0.06(-0.16%)
May 16, 2011	38.57	39.06	37.94	38.02	808,397	-0.87(-2.24%)
May 13, 2011	39.75	39.80	38.70	38.89	540,316	-0.87(-2.19%)
May 12, 2011	39.02	39.85	38.82	39.76	687,506	+0.48(+1.22%)
May 11, 2011	40.24	40.24	38.70	39.28	1,180,097	-1.06(-2.63%)
May 10, 2011	40.04	40.50	39.84	40.34	604,129	+0.52(+1.31%)
May 09, 2011	39.43	39.88	39.23	39.82	398,786	+0.45(+1.14%)
May 06, 2011	39.74	39.87	38.97	39.37	959,497	+0.41(+1.05%)
May 05, 2011	39.72	39.88	38.75	38.96	1,009,902	-1.08(-2.70%)
May 04, 2011	40.28	40.28	39.24	40.04	977,183	-0.19(-0.47%)
May 03, 2011	40.65	40.70	39.51	40.23	765,595	-0.66(-1.61%)
May 02, 2011	40.91	40.98	40.80	40.89	589,415	-0.12(-0.29%)
Apr 29, 2011	40.65	41.15	40.54	41.01	727,316	+0.38(+0.94%)
Apr 28, 2011	40.06	40.71	40.06	40.63	727,870	+0.42(+1.04%)
Apr 27, 2011	39.79	40.35	38.80	40.21	1,024,789	+0.57(+1.44%)
Apr 26, 2011	40.14	40.66	38.40	39.64	1,703,111	-1.13(-2.77%)
Apr 25, 2011	40.84	41.10	40.39	40.77	755,263	-0.13(-0.32%)
Apr 21, 2011	40.89	41.17	40.61	40.90	668,476	+0.42(+1.04%)
Apr 20, 2011	39.93	40.55	39.90	40.48	918,730	+1.39(+3.56%)
Apr 19, 2011	39.35	39.61	38.94	39.09	874,230	+0.00(+0.00%)
Apr 18, 2011	39.22	39.42	38.49	39.09	859,670	-1.00(-2.49%)
Apr 15, 2011	40.18	40.38	39.78	40.09	514,811	-0.08(-0.20%)
Apr 14, 2011	39.42	40.34	39.31	40.17	794,203	+0.44(+1.11%)
Apr 13, 2011	40.35	40.47	39.53	39.73	580,334	-0.16(-0.40%)
Apr 12, 2011	41.12	41.24	39.75	39.89	1,025,647	-1.56(-3.76%)
Apr 11, 2011	41.57	42.08	40.93	41.45	892,475	-0.10(-0.24%)
Apr 08, 2011	42.21	42.49	41.35	41.55	716,191	-0.61(-1.45%)
Apr 07, 2011	41.41	42.39	41.18	42.16	1,087,545	+0.67(+1.61%)
Apr 06, 2011	40.54	41.50	40.17	41.49	948,284	+0.68(+1.67%)
Apr 05, 2011	40.56	41.00	40.13	40.81	687,657	-0.24(-0.58%)
Apr 04, 2011	41.28	41.39	40.82	41.05	830,779	-0.23(-0.56%)
Apr 01, 2011	41.19	41.66	40.91	41.28	624,594	+0.67(+1.65%)
Mar 31, 2011	40.36	40.68	40.25	40.61	460,685	-0.16(-0.39%)
Mar 30, 2011	40.23	40.86	40.13	40.77	579,294	+0.94(+2.36%)
Mar 29, 2011	39.37	39.94	39.06	39.83	515,816	+0.33(+0.84%)
Mar 28, 2011	39.66	39.83	39.31	39.50	540,808	-0.03(-0.08%)
Mar 25, 2011	39.56	39.73	38.94	39.53	649,649	+0.16(+0.41%)
Mar 24, 2011	38.99	39.38	38.38	39.37	625,254	+0.64(+1.65%)
Mar 23, 2011	38.66	38.88	37.70	38.73	809,767	-0.05(-0.13%)
Mar 22, 2011	39.56	39.60	38.74	38.78	846,977	-0.82(-2.07%)
Mar 21, 2011	39.41	39.62	39.24	39.60	1,029,829	+1.68(+4.43%)
Mar 18, 2011	38.30	38.54	37.41	37.92	1,025,951	+0.31(+0.82%)
Mar 17, 2011	37.91	38.46	37.36	37.61	693,317	+0.41(+1.11%)
Mar 16, 2011	38.20	38.52	36.85	37.20	1,037,619	-1.14(-2.98%)
Mar 15, 2011	38.40	38.73	38.26	38.34	690,473	-0.81(-2.07%)
Mar 14, 2011	39.24	39.66	38.70	39.15	517,180	-0.53(-1.34%)
Mar 11, 2011	39.08	39.81	38.92	39.68	334,869	+0.65(+1.67%)
Mar 10, 2011	39.85	39.85	38.95	39.03	840,783	-1.40(-3.46%)
Mar 09, 2011	40.82	40.84	40.20	40.43	373,065	-0.60(-1.46%)
Mar 08, 2011	40.25	41.24	39.91	41.03	528,718	+0.71(+1.76%)
Mar 07, 2011	41.19	41.53	39.91	40.32	575,501	-0.79(-1.92%)
Mar 04, 2011	41.14	41.29	40.44	41.11	983,554	-0.02(-0.05%)
Mar 03, 2011	39.68	41.40	39.68	41.13	769,487	+1.96(+5.00%)
Mar 02, 2011	39.60	40.00	39.03	39.17	522,407	-0.38(-0.96%)

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