Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	53.26	53.42	52.76	52.80	567,647	+0.21(+0.41%)
Feb 28, 2012	52.28	52.61	52.19	52.59	271,921	+0.52(+1.00%)
Feb 27, 2012	51.77	52.09	51.46	52.06	633,293	-0.62(-1.17%)
Feb 24, 2012	52.45	52.69	52.45	52.68	153,014	+0.50(+0.96%)
Feb 23, 2012	52.01	52.22	51.82	52.18	246,743	+0.66(+1.29%)
Feb 22, 2012	51.50	51.60	51.33	51.52	169,643	+0.18(+0.34%)
Feb 21, 2012	51.38	51.47	51.14	51.34	126,972	+0.44(+0.87%)
Feb 17, 2012	50.85	51.08	50.69	50.90	126,779	+0.29(+0.57%)
Feb 16, 2012	50.16	50.67	50.06	50.61	235,598	+0.48(+0.95%)
Feb 15, 2012	50.75	50.75	50.08	50.14	220,377	+0.58(+1.17%)
Feb 14, 2012	49.58	49.62	49.24	49.55	457,995	-0.34(-0.68%)
Feb 13, 2012	50.08	50.08	49.60	49.89	187,477	+0.52(+1.06%)
Feb 10, 2012	49.38	49.52	49.16	49.37	168,670	-0.52(-1.03%)
Feb 09, 2012	50.01	50.05	49.75	49.88	163,055	-0.09(-0.18%)
Feb 08, 2012	49.70	50.00	49.65	49.97	241,410	+0.93(+1.89%)
Feb 07, 2012	48.83	49.19	48.69	49.05	237,475	+0.25(+0.51%)
Feb 06, 2012	48.79	48.85	48.62	48.80	245,642	-0.46(-0.94%)
Feb 03, 2012	48.94	49.30	48.94	49.26	375,721	+0.57(+1.16%)
Feb 02, 2012	48.35	48.93	48.35	48.69	439,879	+0.09(+0.18%)
Feb 01, 2012	48.33	48.72	48.21	48.60	710,633	+0.80(+1.68%)
Jan 31, 2012	47.83	48.02	47.52	47.80	481,460	+0.49(+1.03%)
Jan 30, 2012	46.96	47.33	46.85	47.32	306,814	-0.13(-0.26%)
Jan 27, 2012	46.76	47.54	46.76	47.44	539,871	+1.02(+2.20%)
Jan 26, 2012	47.03	47.03	46.21	46.42	412,438	+0.06(+0.13%)
Jan 25, 2012	45.61	46.40	45.15	46.36	769,242	+0.32(+0.69%)
Jan 24, 2012	46.29	46.29	45.89	46.04	723,617	-0.25(-0.54%)
Jan 23, 2012	46.19	46.63	46.19	46.29	265,933	+0.54(+1.17%)
Jan 20, 2012	45.90	45.91	45.68	45.76	204,044	-0.21(-0.46%)
Jan 19, 2012	45.74	46.07	45.62	45.97	340,679	+0.48(+1.05%)
Jan 18, 2012	44.84	45.54	44.84	45.49	193,558	+0.57(+1.26%)
Jan 17, 2012	45.10	45.23	44.73	44.93	193,191	+0.48(+1.08%)
Jan 13, 2012	44.41	44.51	44.11	44.45	96,057	-0.73(-1.61%)
Jan 12, 2012	44.99	45.25	44.93	45.18	131,908	+0.21(+0.46%)
Jan 11, 2012	44.86	45.10	44.66	44.97	187,506	-0.43(-0.94%)
Jan 10, 2012	45.25	45.44	45.20	45.40	134,634	+0.74(+1.65%)
Jan 09, 2012	44.56	44.78	44.47	44.66	240,169	+0.46(+1.05%)
Jan 06, 2012	44.29	44.41	44.10	44.20	135,250	-0.35(-0.79%)
Jan 05, 2012	44.37	44.74	44.26	44.55	429,316	-0.21(-0.46%)
Jan 04, 2012	44.67	44.93	44.61	44.76	236,343	+0.53(+1.20%)
Dec 30, 2011	44.04	44.32	44.04	44.23	99,240	+0.13(+0.30%)
Dec 29, 2011	43.96	44.18	43.74	44.09	97,881	+0.36(+0.82%)
Dec 28, 2011	44.22	44.26	43.71	43.73	117,312	-0.68(-1.52%)
Dec 27, 2011	44.32	44.52	44.15	44.41	117,928	-0.88(-1.93%)
Dec 23, 2011	45.09	45.29	44.82	45.29	131,503	-0.08(-0.18%)
Dec 21, 2011	45.34	45.37	44.87	45.37	113,264	-0.25(-0.55%)
Dec 20, 2011	45.07	45.65	45.07	45.62	271,058	+1.43(+3.24%)
Dec 19, 2011	44.54	44.87	44.04	44.19	143,128	-0.35(-0.78%)
Dec 16, 2011	44.58	44.88	44.43	44.54	142,324	+0.48(+1.09%)
Dec 15, 2011	44.31	44.54	43.97	44.06	218,248	+0.19(+0.43%)
Dec 14, 2011	44.27	44.41	43.82	43.87	212,295	-0.63(-1.42%)
Dec 13, 2011	44.88	45.09	44.32	44.50	739,990	-0.05(-0.11%)
Dec 12, 2011	44.97	45.18	44.38	44.55	614,300	-1.17(-2.56%)
Dec 09, 2011	45.30	46.08	45.28	45.72	233,961	+0.60(+1.34%)
Dec 08, 2011	45.95	46.21	44.99	45.12	607,439	-1.15(-2.50%)
Dec 07, 2011	45.70	46.51	45.68	46.27	372,130	+0.87(+1.92%)
Dec 06, 2011	45.57	45.79	45.29	45.40	289,487	+0.06(+0.13%)
Dec 05, 2011	45.41	45.42	44.93	45.34	382,955	+0.57(+1.27%)
Dec 02, 2011	45.04	45.44	44.72	44.78	236,947	+0.41(+0.93%)

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