Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	60.69	61.27	60.54	60.80	175,263	+0.26(+0.43%)
Feb 28, 2012	60.72	60.85	60.28	60.54	173,978	-0.24(-0.39%)
Feb 27, 2012	61.00	61.72	60.45	60.78	196,718	-0.40(-0.65%)
Feb 24, 2012	60.30	61.18	60.08	61.18	204,239	+1.06(+1.76%)
Feb 23, 2012	59.82	60.27	59.56	60.12	153,644	+0.34(+0.57%)
Feb 22, 2012	60.44	60.47	59.57	59.78	204,308	-0.67(-1.11%)
Feb 21, 2012	59.76	60.45	59.53	60.45	237,823	+0.98(+1.65%)
Feb 17, 2012	59.91	59.93	59.24	59.47	177,589	-0.13(-0.22%)
Feb 16, 2012	59.10	59.74	58.72	59.60	203,477	+0.50(+0.85%)
Feb 15, 2012	58.36	59.10	58.05	59.10	228,695	+0.71(+1.22%)
Feb 14, 2012	57.48	58.46	57.37	58.39	189,071	+1.03(+1.80%)
Feb 13, 2012	57.66	57.80	57.23	57.36	183,836	+0.10(+0.17%)
Feb 10, 2012	57.91	58.10	56.82	57.26	211,537	-0.52(-0.90%)
Feb 09, 2012	57.77	58.30	57.53	57.78	168,135	-0.10(-0.17%)
Feb 08, 2012	58.00	58.31	57.32	57.88	184,842	+0.10(+0.17%)
Feb 07, 2012	57.25	57.85	57.00	57.78	315,541	+0.37(+0.64%)
Feb 06, 2012	57.75	57.75	57.19	57.41	162,388	-0.59(-1.02%)
Feb 03, 2012	57.87	58.32	57.66	58.00	199,737	-0.87(-1.48%)
Feb 02, 2012	59.01	59.75	58.80	58.87	264,585	-0.42(-0.71%)
Feb 01, 2012	59.00	59.52	58.78	59.29	279,574	+0.50(+0.85%)
Jan 31, 2012	57.87	58.90	57.51	58.79	240,762	+1.01(+1.75%)
Jan 30, 2012	57.50	57.83	57.15	57.78	458,305	-1.02(-1.73%)
Jan 27, 2012	58.40	59.06	58.33	58.80	199,233	+0.24(+0.41%)
Jan 26, 2012	58.57	58.93	58.39	58.56	189,539	+0.02(+0.03%)
Jan 25, 2012	58.60	58.90	58.37	58.54	286,347	+0.13(+0.22%)
Jan 24, 2012	58.50	58.94	57.78	58.41	309,707	-0.52(-0.88%)
Jan 23, 2012	58.11	58.93	58.00	58.93	207,946	+1.01(+1.74%)
Jan 20, 2012	57.49	57.92	56.90	57.92	215,561	+0.60(+1.05%)
Jan 19, 2012	57.44	57.80	56.97	57.32	252,894	-0.08(-0.14%)
Jan 18, 2012	56.50	57.71	56.50	57.40	224,461	+0.89(+1.57%)
Jan 17, 2012	55.69	56.51	55.54	56.51	271,213	+1.23(+2.23%)
Jan 13, 2012	55.95	56.00	55.12	55.28	305,717	-0.72(-1.29%)
Jan 12, 2012	56.78	56.78	55.88	56.00	208,576	-0.63(-1.11%)
Jan 11, 2012	56.75	56.84	56.34	56.63	209,379	-0.29(-0.51%)
Jan 10, 2012	57.45	57.45	56.38	56.92	231,776	-0.34(-0.59%)
Jan 09, 2012	57.75	57.75	56.95	57.26	181,585	-0.35(-0.61%)
Jan 06, 2012	57.68	57.75	57.20	57.61	221,903	-0.14(-0.24%)
Jan 05, 2012	57.63	57.77	57.22	57.75	192,438	+0.15(+0.26%)
Jan 04, 2012	56.89	57.69	56.85	57.60	363,825	+0.94(+1.66%)
Dec 30, 2011	56.66	56.77	56.35	56.66	225,133	-0.16(-0.28%)
Dec 29, 2011	56.54	56.95	56.40	56.82	254,583	+0.01(+0.02%)
Dec 28, 2011	57.47	57.51	56.50	56.81	164,980	-0.37(-0.65%)
Dec 27, 2011	56.55	57.26	56.55	57.18	193,464	+0.48(+0.85%)
Dec 23, 2011	57.18	57.18	56.45	56.70	178,496	-1.00(-1.73%)
Dec 21, 2011	56.90	57.94	56.37	57.70	579,291	+0.78(+1.37%)
Dec 20, 2011	56.21	57.00	55.88	56.92	521,318	+1.01(+1.81%)
Dec 19, 2011	55.17	56.36	54.92	55.91	435,929	+0.45(+0.81%)
Dec 16, 2011	54.31	55.49	54.07	55.46	699,584	+1.26(+2.32%)
Dec 15, 2011	54.11	54.24	53.74	54.20	384,645	+0.16(+0.30%)
Dec 14, 2011	53.91	54.33	53.69	54.04	401,419	-0.17(-0.31%)
Dec 13, 2011	54.26	54.28	53.70	54.21	474,626	+0.21(+0.39%)
Dec 12, 2011	54.15	54.15	53.70	54.00	312,145	-0.15(-0.28%)
Dec 09, 2011	53.76	54.15	53.70	54.15	584,302	+0.23(+0.43%)
Dec 08, 2011	53.60	54.14	53.50	53.92	616,284	+0.06(+0.11%)
Dec 07, 2011	53.46	53.95	53.37	53.86	838,530	+0.40(+0.75%)
Dec 06, 2011	53.19	53.95	53.16	53.46	5,315,924	-2.25(-4.04%)
Dec 05, 2011	56.25	56.45	55.53	55.71	149,522	-0.11(-0.20%)
Dec 02, 2011	56.00	56.46	55.65	55.82	116,175	-0.24(-0.43%)

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