Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	56.51	56.73	56.03	56.19	2,441,683	-0.31(-0.54%)
Feb 28, 2012	57.21	57.21	56.20	56.50	2,110,471	-0.57(-1.00%)
Feb 27, 2012	56.82	57.30	56.66	57.07	1,968,903	-0.24(-0.41%)
Feb 24, 2012	57.68	57.91	57.22	57.31	1,251,678	-0.17(-0.30%)
Feb 23, 2012	57.10	57.65	57.10	57.48	1,758,022	+0.44(+0.77%)
Feb 22, 2012	57.97	58.08	56.98	57.04	1,512,159	-0.94(-1.62%)
Feb 21, 2012	57.81	58.03	57.44	57.98	1,572,024	+0.32(+0.56%)
Feb 17, 2012	57.64	57.82	57.41	57.66	1,676,722	+0.30(+0.52%)
Feb 16, 2012	57.25	57.54	57.10	57.36	2,190,259	+0.20(+0.36%)
Feb 15, 2012	57.91	57.94	57.07	57.16	1,636,488	-0.52(-0.90%)
Feb 14, 2012	57.78	57.78	57.24	57.68	1,553,304	-0.27(-0.46%)
Feb 13, 2012	57.69	58.04	57.44	57.94	1,440,590	+0.67(+1.18%)
Feb 10, 2012	56.98	57.46	56.86	57.27	1,519,426	-0.38(-0.67%)
Feb 09, 2012	57.61	57.89	57.42	57.65	1,517,022	-0.02(-0.04%)
Feb 08, 2012	58.14	58.18	57.31	57.68	1,747,293	-0.47(-0.81%)
Feb 07, 2012	56.80	58.38	56.77	58.15	2,323,878	+0.96(+1.67%)
Feb 06, 2012	57.66	57.71	57.00	57.19	2,229,892	-0.96(-1.66%)
Feb 03, 2012	57.06	58.19	56.77	58.15	4,263,949	+1.36(+2.39%)
Feb 02, 2012	56.95	56.95	56.52	56.80	2,369,850	-0.02(-0.03%)
Feb 01, 2012	55.75	57.10	55.75	56.81	4,857,453	+2.27(+4.17%)
Jan 31, 2012	54.38	54.94	53.97	54.54	3,545,120	+0.49(+0.90%)
Jan 30, 2012	54.09	54.32	53.70	54.05	2,581,938	-0.38(-0.69%)
Jan 27, 2012	55.42	55.42	53.83	54.43	4,718,598	-1.40(-2.51%)
Jan 26, 2012	56.23	56.26	55.45	55.83	2,723,285	-0.33(-0.59%)
Jan 25, 2012	55.46	56.21	55.07	56.16	2,446,210	+0.45(+0.82%)
Jan 24, 2012	55.82	55.89	55.33	55.71	2,401,805	-0.56(-0.99%)
Jan 23, 2012	56.80	56.96	55.81	56.26	2,166,848	-0.68(-1.20%)
Jan 20, 2012	55.70	57.25	55.58	56.95	5,295,028	+1.36(+2.45%)
Jan 19, 2012	55.07	55.69	54.71	55.58	2,680,586	+0.66(+1.20%)
Jan 18, 2012	54.74	54.94	54.31	54.92	2,710,921	+0.10(+0.19%)
Jan 17, 2012	55.23	55.47	54.61	54.82	2,005,175	+0.16(+0.29%)
Jan 13, 2012	54.37	54.74	53.91	54.67	1,878,490	-0.26(-0.47%)
Jan 12, 2012	54.87	55.22	54.40	54.92	1,777,449	+0.27(+0.50%)
Jan 11, 2012	55.14	55.34	54.50	54.65	2,363,403	-0.83(-1.50%)
Jan 10, 2012	55.33	55.64	54.88	55.48	2,852,168	+0.72(+1.32%)
Jan 09, 2012	54.49	54.84	54.15	54.76	2,380,196	+0.25(+0.46%)
Jan 06, 2012	54.48	54.71	53.83	54.51	1,891,703	+0.13(+0.24%)
Jan 05, 2012	53.93	54.41	53.43	54.38	2,755,885	+0.16(+0.29%)
Jan 04, 2012	54.46	54.73	54.03	54.22	1,845,902	-0.36(-0.66%)
Dec 30, 2011	54.60	54.93	54.56	54.58	1,138,434	-0.35(-0.64%)
Dec 29, 2011	54.51	55.01	54.51	54.93	1,619,139	+0.47(+0.86%)
Dec 28, 2011	54.92	54.92	54.33	54.46	1,459,407	-0.48(-0.88%)
Dec 27, 2011	54.71	55.12	54.62	54.95	834,948	+0.09(+0.17%)
Dec 23, 2011	54.65	54.91	54.46	54.85	865,266	+0.94(+1.75%)
Dec 21, 2011	53.03	53.97	52.92	53.91	2,013,853	+0.93(+1.76%)
Dec 20, 2011	52.37	53.30	52.36	52.98	3,049,194	+1.38(+2.67%)
Dec 19, 2011	51.90	52.37	51.57	51.60	2,861,670	-0.35(-0.67%)
Dec 16, 2011	52.49	52.57	51.72	51.95	3,595,145	-0.14(-0.27%)
Dec 15, 2011	52.92	52.92	52.02	52.09	2,601,306	-0.26(-0.51%)
Dec 14, 2011	51.87	52.90	51.72	52.35	3,025,977	+0.08(+0.15%)
Dec 13, 2011	53.69	53.69	51.94	52.28	2,157,172	-0.97(-1.83%)
Dec 12, 2011	53.51	53.72	52.97	53.25	2,569,578	-0.75(-1.38%)
Dec 09, 2011	53.85	54.15	53.53	54.00	2,820,741	+0.54(+1.00%)
Dec 08, 2011	54.67	54.74	53.35	53.46	2,613,859	-1.25(-2.29%)
Dec 07, 2011	54.26	54.94	53.95	54.71	2,754,532	+0.04(+0.07%)
Dec 06, 2011	54.21	55.03	53.63	54.67	3,085,262	+0.82(+1.52%)
Dec 05, 2011	53.86	54.43	53.40	53.86	2,041,455	+0.63(+1.18%)
Dec 02, 2011	53.64	54.39	53.12	53.23	2,856,470	-0.17(-0.32%)

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