Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	55.37	55.59	54.90	55.06	2,491,897	-0.30(-0.54%)
Feb 28, 2012	56.06	56.06	55.07	55.36	2,153,874	-0.56(-1.00%)
Feb 27, 2012	55.68	56.14	55.52	55.92	2,009,394	-0.23(-0.41%)
Feb 24, 2012	56.51	56.74	56.07	56.15	1,277,420	-0.17(-0.30%)
Feb 23, 2012	55.95	56.49	55.94	56.32	1,794,177	+0.43(+0.77%)
Feb 22, 2012	56.80	56.91	55.83	55.89	1,543,257	-0.92(-1.62%)
Feb 21, 2012	56.64	56.86	56.28	56.81	1,604,353	+0.31(+0.56%)
Feb 17, 2012	56.47	56.66	56.25	56.50	1,711,205	+0.29(+0.52%)
Feb 16, 2012	56.10	56.38	55.95	56.21	2,235,302	+0.20(+0.36%)
Feb 15, 2012	56.74	56.77	55.92	56.01	1,670,143	-0.51(-0.90%)
Feb 14, 2012	56.62	56.62	56.09	56.51	1,585,249	-0.26(-0.46%)
Feb 13, 2012	56.53	56.87	56.28	56.77	1,470,217	+0.66(+1.18%)
Feb 10, 2012	55.83	56.30	55.71	56.11	1,550,674	-0.38(-0.67%)
Feb 09, 2012	56.45	56.72	56.26	56.49	1,548,220	-0.02(-0.04%)
Feb 08, 2012	56.97	57.00	56.16	56.51	1,783,227	-0.46(-0.81%)
Feb 07, 2012	55.65	57.20	55.63	56.97	2,371,670	+0.94(+1.67%)
Feb 06, 2012	56.50	56.55	55.85	56.04	2,275,751	-0.94(-1.66%)
Feb 03, 2012	55.91	57.02	55.63	56.98	4,351,639	+1.33(+2.39%)
Feb 02, 2012	55.80	55.80	55.38	55.65	2,418,587	-0.02(-0.03%)
Feb 01, 2012	54.62	55.95	54.62	55.67	4,957,348	+2.23(+4.17%)
Jan 31, 2012	53.29	53.83	52.88	53.44	3,618,027	+0.48(+0.90%)
Jan 30, 2012	53.00	53.23	52.62	52.97	2,635,036	-0.37(-0.69%)
Jan 27, 2012	54.30	54.30	52.74	53.33	4,815,637	-1.37(-2.51%)
Jan 26, 2012	55.09	55.12	54.33	54.71	2,779,291	-0.32(-0.59%)
Jan 25, 2012	54.34	55.08	53.96	55.03	2,496,517	+0.45(+0.82%)
Jan 24, 2012	54.69	54.76	54.22	54.59	2,451,199	-0.55(-0.99%)
Jan 23, 2012	55.65	55.81	54.69	55.13	2,211,411	-0.67(-1.20%)
Jan 20, 2012	54.58	56.10	54.46	55.80	5,403,923	+1.34(+2.45%)
Jan 19, 2012	53.96	54.57	53.60	54.46	2,735,714	+0.65(+1.20%)
Jan 18, 2012	53.63	53.83	53.22	53.82	2,766,672	+0.10(+0.19%)
Jan 17, 2012	54.12	54.35	53.51	53.72	2,046,412	+0.15(+0.29%)
Jan 13, 2012	53.27	53.63	52.83	53.56	1,917,122	-0.25(-0.47%)
Jan 12, 2012	53.76	54.11	53.30	53.82	1,814,003	+0.27(+0.50%)
Jan 11, 2012	54.03	54.22	53.40	53.55	2,412,007	-0.81(-1.50%)
Jan 10, 2012	54.22	54.52	53.77	54.36	2,910,823	+0.71(+1.32%)
Jan 09, 2012	53.39	53.73	53.05	53.66	2,429,145	+0.24(+0.46%)
Jan 06, 2012	53.38	53.60	52.74	53.41	1,930,606	+0.13(+0.24%)
Jan 05, 2012	52.84	53.31	52.35	53.28	2,812,560	+0.15(+0.29%)
Jan 04, 2012	53.36	53.63	52.94	53.13	1,883,863	-0.35(-0.66%)
Dec 30, 2011	53.50	53.82	53.46	53.48	1,161,846	-0.34(-0.64%)
Dec 29, 2011	53.41	53.90	53.41	53.82	1,652,437	+0.46(+0.86%)
Dec 28, 2011	53.81	53.81	53.24	53.37	1,489,420	-0.47(-0.88%)
Dec 27, 2011	53.61	54.01	53.52	53.84	852,119	+0.09(+0.17%)
Dec 23, 2011	53.55	53.80	53.36	53.75	883,060	+0.92(+1.75%)
Dec 21, 2011	51.96	52.88	51.86	52.83	2,055,268	+0.92(+1.76%)
Dec 20, 2011	51.31	52.22	51.31	51.91	3,111,901	+1.35(+2.67%)
Dec 19, 2011	50.86	51.31	50.53	50.56	2,920,521	-0.34(-0.67%)
Dec 16, 2011	51.43	51.51	50.67	50.90	3,669,080	-0.14(-0.27%)
Dec 15, 2011	51.85	51.85	50.97	51.04	2,654,803	-0.26(-0.51%)
Dec 14, 2011	50.83	51.83	50.67	51.30	3,088,207	+0.08(+0.15%)
Dec 13, 2011	52.61	52.61	50.90	51.22	2,201,535	-0.95(-1.83%)
Dec 12, 2011	52.43	52.63	51.90	52.18	2,622,422	-0.73(-1.38%)
Dec 09, 2011	52.76	53.05	52.45	52.91	2,878,750	+0.53(+1.00%)
Dec 08, 2011	53.57	53.64	52.28	52.38	2,667,613	-1.23(-2.29%)
Dec 07, 2011	53.17	53.83	52.86	53.61	2,811,179	+0.04(+0.07%)
Dec 06, 2011	53.12	53.92	52.55	53.57	3,148,711	+0.80(+1.52%)
Dec 05, 2011	52.77	53.34	52.32	52.77	2,083,437	+0.62(+1.18%)
Dec 02, 2011	52.56	53.29	52.05	52.15	2,915,214	-0.17(-0.32%)

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