Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	53.09	53.34	52.91	53.01	869,239	+0.30(+0.57%)
Feb 28, 2012	52.62	52.75	52.37	52.71	585,282	+0.55(+1.05%)
Feb 27, 2012	52.18	52.21	52.04	52.16	684,691	-0.26(-0.50%)
Feb 24, 2012	52.44	52.58	52.32	52.42	439,061	+0.05(+0.10%)
Feb 23, 2012	52.17	52.40	52.07	52.37	550,452	-0.04(-0.08%)
Feb 22, 2012	52.49	52.54	52.23	52.41	708,357	-0.08(-0.15%)
Feb 21, 2012	52.68	52.72	52.46	52.49	1,285,342	-0.43(-0.81%)
Feb 17, 2012	52.78	52.92	52.60	52.92	694,131	+0.12(+0.23%)
Feb 16, 2012	52.38	52.84	52.23	52.80	881,266	+0.81(+1.56%)
Feb 15, 2012	52.10	52.13	51.83	51.99	1,490,176	+0.78(+1.52%)
Feb 14, 2012	51.26	51.40	50.98	51.21	1,923,818	-0.03(-0.06%)
Feb 13, 2012	51.31	51.48	51.13	51.24	1,645,452	+0.64(+1.26%)
Feb 10, 2012	50.67	50.75	50.41	50.60	1,642,590	-0.02(-0.04%)
Feb 09, 2012	50.43	50.63	50.25	50.62	734,743	-0.25(-0.49%)
Feb 08, 2012	50.74	51.03	50.73	50.87	1,159,425	+0.44(+0.87%)
Feb 07, 2012	50.14	50.65	50.14	50.43	486,597	-0.03(-0.06%)
Feb 06, 2012	50.13	50.50	50.06	50.46	1,167,874	-0.72(-1.41%)
Feb 03, 2012	51.25	51.35	50.82	51.18	634,469	-0.16(-0.31%)
Feb 02, 2012	51.41	51.65	51.24	51.34	1,049,892	-0.11(-0.21%)

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