Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	55.54	56.39	55.44	56.07	2,247,616	+0.41(+0.74%)
Mar 30, 2011	56.18	56.18	55.31	55.66	2,563,304	-0.20(-0.35%)
Mar 29, 2011	55.59	56.03	55.34	55.86	1,735,717	+0.25(+0.45%)
Mar 28, 2011	56.09	56.20	55.46	55.61	2,144,307	-0.42(-0.76%)
Mar 25, 2011	56.34	56.50	55.91	56.03	1,593,182	-0.25(-0.44%)
Mar 24, 2011	56.07	56.38	55.67	56.28	1,375,118	+0.45(+0.81%)
Mar 23, 2011	55.68	56.11	55.40	55.83	1,619,269	+0.14(+0.25%)
Mar 22, 2011	55.54	55.87	55.42	55.69	1,878,889	+0.24(+0.44%)
Mar 21, 2011	55.72	55.81	55.40	55.45	1,908,455	+0.97(+1.79%)
Mar 18, 2011	55.04	55.13	54.01	54.47	6,139,842	+0.31(+0.57%)
Mar 17, 2011	54.93	55.21	53.88	54.17	4,010,632	+0.14(+0.26%)
Mar 16, 2011	54.76	54.80	53.62	54.03	4,294,459	-0.78(-1.42%)
Mar 15, 2011	54.32	55.13	54.28	54.80	3,157,967	-0.48(-0.86%)
Mar 14, 2011	55.24	55.61	54.67	55.28	1,876,072	-0.48(-0.85%)
Mar 11, 2011	55.15	56.14	54.47	55.76	2,595,940	+0.57(+1.04%)
Mar 10, 2011	55.78	55.87	55.05	55.18	2,018,640	-1.19(-2.12%)
Mar 09, 2011	55.89	56.40	55.52	56.38	2,089,103	+0.31(+0.55%)
Mar 08, 2011	55.32	56.30	55.28	56.07	2,020,258	+0.81(+1.47%)
Mar 07, 2011	55.97	56.39	54.98	55.26	2,651,132	-0.64(-1.14%)
Mar 04, 2011	55.76	56.10	54.84	55.89	4,991,373	-0.98(-1.73%)
Mar 03, 2011	55.56	57.21	55.56	56.88	2,825,406	+1.87(+3.39%)
Mar 02, 2011	54.74	55.25	54.33	55.01	2,492,167	+0.03(+0.05%)
Mar 01, 2011	55.92	56.30	54.85	54.98	2,429,713	-0.77(-1.38%)
Feb 28, 2011	55.86	56.24	55.61	55.75	2,774,499	+0.13(+0.24%)
Feb 25, 2011	55.87	56.25	55.34	55.62	1,802,266	-0.12(-0.22%)
Feb 24, 2011	55.32	55.99	55.02	55.74	2,193,663	+0.48(+0.87%)
Feb 23, 2011	55.69	56.20	54.85	55.26	2,299,333	-0.56(-1.01%)
Feb 22, 2011	56.61	56.64	55.62	55.82	1,872,397	-1.38(-2.42%)
Feb 18, 2011	57.02	57.32	56.90	57.21	2,691,641	+0.59(+1.05%)
Feb 17, 2011	56.22	56.77	56.08	56.61	1,313,883	+0.18(+0.32%)
Feb 16, 2011	56.91	56.98	55.82	56.43	1,991,321	-0.42(-0.73%)
Feb 15, 2011	55.96	56.92	55.72	56.85	2,545,715	+0.55(+0.98%)
Feb 14, 2011	56.82	56.87	56.03	56.30	1,815,938	-0.42(-0.75%)
Feb 11, 2011	56.45	56.92	56.09	56.72	1,818,868	+0.14(+0.25%)
Feb 10, 2011	57.04	57.05	56.43	56.58	2,844,009	-0.47(-0.82%)
Feb 09, 2011	56.82	57.28	56.52	57.05	2,337,039	+0.04(+0.06%)
Feb 08, 2011	56.42	57.10	56.13	57.02	2,704,792	+1.03(+1.84%)
Feb 07, 2011	55.61	56.02	55.46	55.98	1,924,542	+0.60(+1.08%)
Feb 04, 2011	55.56	55.65	55.14	55.38	1,802,218	-0.03(-0.05%)
Feb 03, 2011	55.98	55.98	55.16	55.41	1,964,150	-0.31(-0.55%)
Feb 02, 2011	55.54	56.21	55.49	55.72	2,273,265	+0.04(+0.07%)
Feb 01, 2011	55.29	55.76	54.97	55.68	1,684,786	+0.46(+0.84%)
Jan 31, 2011	54.38	55.23	54.31	55.22	2,938,837	+0.93(+1.71%)
Jan 28, 2011	55.70	55.81	54.09	54.29	3,182,739	-1.52(-2.72%)
Jan 27, 2011	54.64	56.03	54.64	55.81	4,256,412	+1.14(+2.09%)
Jan 26, 2011	54.34	55.07	53.40	54.66	4,878,516	+0.34(+0.63%)
Jan 25, 2011	53.23	54.40	53.16	54.32	3,935,131	+1.05(+1.97%)
Jan 24, 2011	53.07	53.53	52.93	53.27	2,144,180	-0.17(-0.32%)
Jan 21, 2011	53.98	54.09	53.38	53.44	2,573,244	-0.35(-0.65%)
Jan 20, 2011	53.09	53.81	53.08	53.79	3,287,475	+0.57(+1.07%)
Jan 19, 2011	52.85	53.22	52.63	53.22	3,032,624	-0.04(-0.08%)
Jan 18, 2011	53.01	53.49	52.45	53.27	4,489,207	+0.40(+0.76%)
Jan 14, 2011	52.49	52.93	52.16	52.86	2,088,589	+0.29(+0.56%)
Jan 13, 2011	52.62	52.84	52.32	52.57	2,787,143	+0.45(+0.87%)
Jan 12, 2011	52.38	52.66	52.04	52.12	1,621,693	+0.24(+0.47%)
Jan 11, 2011	52.02	52.26	51.71	51.87	2,612,911	+0.05(+0.10%)
Jan 10, 2011	52.24	52.24	51.59	51.82	2,623,291	-0.60(-1.15%)
Jan 07, 2011	52.23	52.64	51.98	52.43	4,557,521	+0.63(+1.23%)
Jan 06, 2011	51.28	52.41	51.11	51.79	2,789,267	+0.38(+0.75%)
Jan 05, 2011	50.93	51.56	50.85	51.41	3,268,795	+0.23(+0.46%)
Jan 04, 2011	51.13	51.27	50.56	51.18	3,245,342	+0.20(+0.39%)

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