Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	52.92	53.06	52.53	52.69	1,645,388	-0.12(-0.22%)
Feb 25, 2011	52.39	52.84	52.00	52.80	1,636,747	+0.54(+1.03%)
Feb 24, 2011	51.62	52.58	51.56	52.26	2,415,653	+0.81(+1.57%)
Feb 23, 2011	52.21	52.50	51.19	51.46	2,691,235	-0.74(-1.41%)
Feb 22, 2011	54.19	54.22	52.06	52.19	3,310,764	-2.39(-4.37%)
Feb 18, 2011	54.59	54.91	54.43	54.58	1,868,459	-0.01(-0.03%)
Feb 17, 2011	54.32	54.91	54.24	54.59	1,042,473	+0.07(+0.12%)
Feb 16, 2011	53.93	54.96	53.77	54.53	1,277,288	+0.63(+1.17%)
Feb 15, 2011	53.81	54.13	53.52	53.89	1,509,258	+0.10(+0.19%)
Feb 14, 2011	54.64	54.93	53.76	53.79	1,853,197	-0.84(-1.55%)
Feb 11, 2011	53.94	54.86	53.79	54.64	2,097,954	+0.34(+0.63%)
Feb 10, 2011	53.38	54.41	53.38	54.29	1,380,476	+0.49(+0.92%)
Feb 09, 2011	53.36	53.92	53.19	53.80	1,121,280	+0.25(+0.48%)
Feb 08, 2011	53.87	53.92	53.14	53.55	1,909,370	-0.39(-0.73%)
Feb 07, 2011	53.89	54.13	53.41	53.94	1,555,715	+0.04(+0.07%)
Feb 04, 2011	54.15	54.15	53.36	53.90	1,886,426	-0.28(-0.51%)
Feb 03, 2011	53.57	54.64	53.55	54.18	2,799,028	+0.51(+0.95%)
Feb 02, 2011	54.73	56.91	53.64	53.67	7,313,120	-3.25(-5.70%)
Feb 01, 2011	56.35	57.24	56.24	56.91	2,370,504	+0.81(+1.44%)
Jan 31, 2011	55.39	56.25	55.20	56.11	1,682,252	+0.77(+1.39%)
Jan 28, 2011	56.75	56.83	55.24	55.34	2,295,277	-1.24(-2.20%)
Jan 27, 2011	56.66	56.87	56.52	56.58	1,911,253	-0.28(-0.49%)
Jan 26, 2011	56.66	57.04	56.38	56.86	1,241,476	+0.21(+0.37%)
Jan 25, 2011	56.30	56.68	55.91	56.65	1,502,798	+0.06(+0.10%)
Jan 24, 2011	56.58	56.86	56.25	56.59	1,004,706	+0.09(+0.17%)
Jan 21, 2011	56.81	56.81	56.19	56.49	1,385,082	-0.13(-0.23%)
Jan 20, 2011	56.64	57.13	56.35	56.62	1,585,821	+0.06(+0.10%)
Jan 19, 2011	57.50	57.50	56.33	56.57	2,223,761	-1.17(-2.03%)
Jan 18, 2011	57.54	57.85	57.48	57.74	1,270,469	+0.33(+0.57%)
Jan 14, 2011	57.73	57.98	57.37	57.41	2,032,127	-0.36(-0.63%)
Jan 13, 2011	57.95	58.20	57.58	57.77	819,951	-0.27(-0.46%)
Jan 12, 2011	58.16	58.19	57.89	58.04	847,012	+0.17(+0.30%)
Jan 11, 2011	58.01	58.29	57.45	57.87	1,050,504	-0.05(-0.09%)
Jan 10, 2011	57.67	58.10	57.28	57.92	2,106,673	+0.01(+0.03%)
Jan 07, 2011	58.16	58.48	57.61	57.90	2,448,902	-0.06(-0.10%)
Jan 06, 2011	58.07	58.41	57.64	57.96	2,223,888	-0.17(-0.30%)
Jan 05, 2011	57.65	58.58	57.61	58.14	2,726,093	-0.41(-0.71%)
Jan 04, 2011	58.46	58.86	58.26	58.55	2,416,665	-0.77(-1.30%)
Jan 03, 2011	58.89	59.72	58.89	59.32	2,360,928	+0.96(+1.65%)
Dec 31, 2010	58.17	58.58	57.96	58.36	1,624,064	+0.08(+0.14%)
Dec 30, 2010	58.59	58.68	58.03	58.28	1,153,647	-0.31(-0.52%)
Dec 29, 2010	58.23	58.97	57.95	58.59	1,422,501	+0.59(+1.02%)
Dec 28, 2010	58.05	58.39	57.65	58.00	927,592	-0.05(-0.09%)
Dec 27, 2010	57.86	58.27	57.72	58.05	737,595	+0.04(+0.06%)
Dec 23, 2010	57.99	58.28	57.88	58.01	876,179	-0.15(-0.25%)
Dec 22, 2010	58.14	58.40	57.90	58.16	1,156,923	-0.09(-0.15%)
Dec 21, 2010	57.70	58.67	57.58	58.25	1,318,835	+0.75(+1.30%)
Dec 20, 2010	57.60	57.71	56.95	57.50	1,788,430	+0.00(+0.00%)
Dec 17, 2010	57.21	57.85	56.85	57.50	3,799,137	-0.15(-0.25%)
Dec 16, 2010	57.04	57.90	56.85	57.64	1,642,144	+0.71(+1.24%)
Dec 15, 2010	56.77	57.44	56.71	56.94	1,612,226	+0.04(+0.08%)
Dec 14, 2010	56.81	57.07	56.57	56.89	1,015,318	+0.28(+0.50%)
Dec 13, 2010	56.82	56.91	56.35	56.61	1,237,061	-0.04(-0.06%)
Dec 10, 2010	56.52	56.71	56.01	56.65	1,459,568	+0.47(+0.84%)
Dec 09, 2010	55.86	56.39	55.68	56.18	1,783,422	+0.44(+0.79%)
Dec 08, 2010	55.22	55.76	55.03	55.73	1,536,927	+0.52(+0.94%)
Dec 07, 2010	55.24	55.45	54.94	55.21	1,650,201	+0.35(+0.65%)
Dec 06, 2010	55.14	55.25	54.72	54.86	1,935,964	-0.30(-0.54%)
Dec 03, 2010	54.65	55.21	54.51	55.16	1,040,652	+0.39(+0.71%)
Dec 02, 2010	54.22	54.77	54.07	54.77	1,917,623	+0.54(+1.00%)

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