Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	55.68	56.80	55.18	55.58	1,438,916	+0.24(+0.43%)
Feb 25, 2011	54.64	55.43	54.60	55.34	1,453,503	+0.76(+1.39%)
Feb 24, 2011	54.42	54.94	53.33	54.58	2,543,254	+0.16(+0.29%)
Feb 23, 2011	54.89	55.23	54.04	54.42	1,915,977	-0.60(-1.09%)
Feb 22, 2011	53.87	55.58	53.44	55.02	1,980,202	-0.23(-0.42%)
Feb 18, 2011	54.94	55.92	54.72	55.25	1,927,833	+0.00(+0.00%)
Feb 17, 2011	56.87	57.00	55.14	55.25	4,410,885	-3.03(-5.20%)
Feb 16, 2011	59.09	59.35	57.96	58.28	1,371,082	+0.58(+1.01%)
Feb 15, 2011	57.25	57.70	56.90	57.70	956,290	+0.37(+0.65%)
Feb 14, 2011	57.31	57.63	56.64	57.33	974,659	-0.30(-0.52%)
Feb 11, 2011	57.36	57.78	56.69	57.63	1,061,422	+0.24(+0.42%)
Feb 10, 2011	58.00	58.00	56.52	57.39	1,381,458	-0.92(-1.58%)
Feb 09, 2011	58.09	58.51	57.80	58.31	819,194	+0.10(+0.17%)
Feb 08, 2011	57.67	58.23	57.52	58.21	790,506	+0.47(+0.81%)
Feb 07, 2011	57.58	57.98	57.51	57.74	773,689	+0.16(+0.28%)
Feb 04, 2011	56.40	57.65	56.27	57.58	1,051,641	+1.08(+1.91%)
Feb 03, 2011	55.62	56.63	55.50	56.50	828,623	+0.85(+1.53%)
Feb 02, 2011	56.71	57.16	55.52	55.65	989,763	-1.27(-2.23%)
Feb 01, 2011	57.31	57.46	56.85	56.92	875,536	+0.09(+0.16%)
Jan 31, 2011	56.55	57.44	56.29	56.83	835,302	+0.32(+0.57%)
Jan 28, 2011	57.64	57.77	56.44	56.51	1,092,458	-1.22(-2.11%)
Jan 27, 2011	57.18	57.82	56.88	57.73	1,212,696	+0.74(+1.30%)
Jan 26, 2011	56.30	57.03	55.60	56.99	1,081,405	+0.70(+1.24%)
Jan 25, 2011	57.00	57.03	55.85	56.29	1,073,875	-0.96(-1.68%)
Jan 24, 2011	57.33	57.49	56.51	57.25	908,411	-0.25(-0.43%)
Jan 21, 2011	58.03	58.05	57.02	57.50	1,014,386	-0.38(-0.66%)
Jan 20, 2011	57.36	58.60	57.36	57.88	1,198,148	+0.48(+0.84%)
Jan 19, 2011	56.65	57.61	56.47	57.40	1,505,064	+0.49(+0.86%)
Jan 18, 2011	57.45	57.92	56.68	56.91	836,370	-0.40(-0.70%)
Jan 14, 2011	56.67	57.31	56.45	57.31	852,218	+0.60(+1.06%)
Jan 13, 2011	57.15	57.15	56.62	56.71	760,358	-0.45(-0.79%)
Jan 12, 2011	56.82	57.49	56.41	57.16	1,041,867	+0.91(+1.62%)
Jan 11, 2011	56.83	57.49	56.23	56.25	1,127,946	-0.51(-0.89%)
Jan 10, 2011	56.30	56.93	56.20	56.76	1,454,984	+0.33(+0.58%)
Jan 07, 2011	56.64	56.71	56.02	56.43	1,445,397	-0.01(-0.02%)
Jan 06, 2011	58.18	58.18	56.35	56.44	1,330,612	-1.83(-3.14%)
Jan 05, 2011	58.04	58.59	57.39	58.27	1,349,070	+0.16(+0.28%)
Jan 04, 2011	60.51	60.62	57.90	58.11	1,657,910	-2.58(-4.25%)
Jan 03, 2011	60.99	61.70	60.43	60.69	945,099	+0.27(+0.45%)
Dec 31, 2010	60.96	61.06	60.28	60.42	421,991	-0.53(-0.87%)

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