Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	61.68	62.75	61.27	61.50	366,767	-0.15(-0.25%)
Feb 28, 2012	61.72	62.34	61.37	61.65	191,539	+0.02(+0.03%)
Feb 27, 2012	62.30	62.62	61.12	61.63	306,095	-1.16(-1.84%)
Feb 24, 2012	62.55	63.47	62.43	62.79	240,381	+0.20(+0.32%)
Feb 23, 2012	62.91	63.31	62.36	62.58	231,847	-0.31(-0.49%)
Feb 22, 2012	62.42	63.11	61.94	62.89	219,728	+0.37(+0.59%)
Feb 21, 2012	62.78	63.33	62.45	62.53	261,677	-0.29(-0.46%)
Feb 17, 2012	63.32	63.42	62.63	62.81	172,663	-0.31(-0.49%)
Feb 16, 2012	61.82	63.17	61.80	63.12	276,972	+1.34(+2.17%)
Feb 15, 2012	63.82	63.83	61.68	61.78	313,031	-1.87(-2.94%)
Feb 14, 2012	63.75	64.30	63.12	63.65	176,407	-0.54(-0.84%)
Feb 13, 2012	63.55	64.32	63.45	64.19	285,516	+1.33(+2.11%)
Feb 10, 2012	62.94	63.47	62.78	62.86	167,418	-1.04(-1.63%)
Feb 09, 2012	63.96	64.12	63.56	63.90	300,943	+0.26(+0.41%)
Feb 08, 2012	62.52	63.74	62.51	63.64	417,007	+1.33(+2.13%)
Feb 07, 2012	62.17	62.37	61.80	62.31	469,903	-0.14(-0.23%)
Feb 06, 2012	62.58	63.21	62.39	62.46	303,310	-0.59(-0.93%)
Feb 03, 2012	62.10	63.19	61.72	63.05	324,371	+2.00(+3.28%)
Feb 02, 2012	62.66	63.10	60.91	61.04	428,627	-1.57(-2.51%)
Feb 01, 2012	60.88	63.27	60.27	62.61	872,846	+2.34(+3.88%)
Jan 31, 2012	59.53	61.17	59.50	60.27	1,250,766	+2.56(+4.44%)
Jan 30, 2012	57.34	57.90	56.78	57.71	289,495	+0.06(+0.10%)
Jan 27, 2012	57.27	57.77	57.19	57.65	244,277	+0.09(+0.15%)
Jan 26, 2012	58.77	58.78	57.37	57.56	272,305	-0.96(-1.65%)
Jan 25, 2012	57.76	58.70	57.34	58.53	224,122	+0.40(+0.68%)
Jan 24, 2012	57.03	58.35	56.96	58.13	233,193	+0.66(+1.14%)
Jan 23, 2012	57.46	58.67	57.12	57.48	171,113	-0.13(-0.22%)
Jan 20, 2012	57.34	57.73	56.92	57.60	273,760	+0.29(+0.50%)
Jan 19, 2012	57.03	57.46	56.84	57.31	639,653	+0.35(+0.61%)
Jan 18, 2012	56.76	57.02	56.59	56.97	347,394	+0.29(+0.51%)
Jan 17, 2012	57.38	57.90	56.45	56.68	580,890	-0.27(-0.47%)
Jan 13, 2012	57.44	57.77	56.70	56.95	393,951	-1.22(-2.10%)
Jan 12, 2012	58.89	58.89	58.11	58.17	338,796	-0.64(-1.08%)
Jan 11, 2012	59.17	59.48	58.76	58.81	202,563	-0.53(-0.89%)
Jan 10, 2012	59.25	59.82	58.84	59.34	223,690	+0.38(+0.64%)
Jan 09, 2012	59.33	59.48	58.27	58.96	298,801	+0.21(+0.36%)
Jan 06, 2012	57.84	59.12	57.47	58.75	590,082	+0.71(+1.23%)
Jan 05, 2012	56.89	58.15	56.02	58.04	392,224	+0.94(+1.65%)
Jan 04, 2012	56.35	57.53	56.14	57.09	381,527	+0.79(+1.40%)
Dec 30, 2011	57.35	57.35	56.25	56.30	220,648	-1.05(-1.83%)
Dec 29, 2011	56.88	57.62	56.55	57.35	216,699	+0.58(+1.02%)
Dec 28, 2011	57.81	57.90	56.63	56.78	159,332	-1.02(-1.77%)
Dec 27, 2011	57.94	58.66	57.64	57.80	310,294	-0.55(-0.94%)
Dec 23, 2011	58.02	58.37	57.67	58.35	107,674	+0.66(+1.14%)
Dec 21, 2011	57.24	57.81	55.93	57.69	325,629	+0.43(+0.76%)
Dec 20, 2011	55.87	57.53	55.36	57.26	373,266	+2.52(+4.61%)
Dec 19, 2011	56.01	56.27	54.58	54.73	312,234	-0.84(-1.51%)
Dec 16, 2011	55.29	56.34	54.98	55.57	515,908	+0.52(+0.94%)
Dec 15, 2011	54.44	55.26	53.98	55.05	460,923	+1.42(+2.64%)
Dec 14, 2011	53.89	53.96	52.76	53.63	481,559	-0.78(-1.43%)
Dec 13, 2011	56.00	56.53	53.89	54.42	324,622	-0.94(-1.71%)
Dec 12, 2011	55.89	55.89	54.61	55.36	283,383	-1.21(-2.15%)
Dec 09, 2011	54.18	56.82	54.18	56.57	428,336	+2.47(+4.56%)
Dec 08, 2011	55.04	55.58	53.92	54.11	293,768	-1.35(-2.43%)
Dec 07, 2011	55.20	55.90	54.18	55.46	318,696	-0.26(-0.47%)
Dec 06, 2011	55.39	55.90	54.68	55.72	852,088	+0.34(+0.61%)
Dec 05, 2011	57.00	57.15	55.13	55.38	483,544	-0.62(-1.10%)
Dec 02, 2011	56.16	56.89	55.51	55.99	509,193	+0.61(+1.10%)

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