Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	58.18	59.00	57.85	58.56	1,270,734	+0.68(+1.17%)
Feb 25, 2011	57.62	58.27	57.45	57.88	1,414,762	+0.47(+0.82%)
Feb 24, 2011	56.94	58.16	56.66	57.41	1,827,034	+0.35(+0.61%)
Feb 23, 2011	58.20	58.24	56.28	57.06	2,622,712	-1.18(-2.03%)
Feb 22, 2011	59.53	59.99	58.10	58.24	2,333,699	-1.79(-2.98%)
Feb 18, 2011	60.46	60.46	59.50	60.03	1,872,981	-0.43(-0.71%)
Feb 17, 2011	59.92	60.60	59.54	60.46	1,528,677	+0.32(+0.53%)
Feb 16, 2011	59.27	60.20	59.02	60.14	2,338,915	+0.90(+1.52%)
Feb 15, 2011	59.11	59.66	59.05	59.24	2,103,212	-0.05(-0.08%)
Feb 14, 2011	59.50	59.82	59.24	59.29	2,515,086	-0.38(-0.64%)
Feb 11, 2011	59.36	60.00	59.36	59.67	2,902,272	-0.38(-0.63%)
Feb 10, 2011	58.77	60.94	58.49	60.05	11,134,533	+6.30(+11.72%)
Feb 09, 2011	53.02	53.84	52.52	53.75	3,501,842	+0.84(+1.59%)
Feb 08, 2011	52.88	53.85	52.71	52.91	2,153,357	+0.08(+0.15%)
Feb 07, 2011	53.02	53.16	52.52	52.83	1,515,625	-0.17(-0.32%)
Feb 04, 2011	51.77	53.06	51.67	53.00	1,314,370	+1.34(+2.59%)
Feb 03, 2011	51.79	52.20	50.78	51.66	1,124,803	-0.06(-0.12%)
Feb 02, 2011	52.70	52.95	51.38	51.72	2,285,566	-1.19(-2.25%)
Feb 01, 2011	52.11	52.99	51.84	52.91	1,691,465	+1.20(+2.32%)
Jan 31, 2011	50.69	51.78	50.64	51.71	1,715,036	+1.27(+2.52%)
Jan 28, 2011	52.09	52.24	50.26	50.44	1,812,938	-1.52(-2.93%)
Jan 27, 2011	51.95	52.50	51.45	51.96	1,148,524	+0.01(+0.02%)
Jan 26, 2011	52.44	52.63	51.36	51.95	1,702,724	-0.53(-1.01%)
Jan 25, 2011	51.80	52.48	51.36	52.48	1,539,978	+0.34(+0.65%)
Jan 24, 2011	51.99	52.52	51.94	52.14	1,187,240	+0.31(+0.60%)
Jan 21, 2011	52.28	52.69	51.50	51.83	1,697,439	-0.43(-0.82%)
Jan 20, 2011	51.88	53.05	51.75	52.26	1,679,932	+0.01(+0.02%)
Jan 19, 2011	53.00	53.36	52.13	52.25	2,088,617	-0.93(-1.75%)
Jan 18, 2011	53.00	53.46	52.90	53.18	1,474,050	+0.15(+0.28%)
Jan 14, 2011	52.22	53.06	52.07	53.03	2,385,041	+0.72(+1.38%)
Jan 13, 2011	50.30	53.00	50.26	52.31	3,703,721	+2.30(+4.60%)
Jan 12, 2011	49.82	50.71	49.68	50.01	1,912,073	+0.49(+0.99%)
Jan 11, 2011	48.74	49.95	48.30	49.52	2,182,856	+0.78(+1.60%)
Jan 10, 2011	48.24	48.87	47.90	48.74	1,156,665	+0.14(+0.29%)
Jan 07, 2011	48.10	48.70	47.83	48.60	1,731,053	+0.50(+1.04%)
Jan 06, 2011	49.04	49.11	47.94	48.10	1,177,408	-1.01(-2.06%)
Jan 05, 2011	48.90	49.64	48.80	49.11	1,271,317	+0.07(+0.14%)
Jan 04, 2011	49.94	50.09	48.48	49.04	2,856,746	-1.71(-3.37%)
Jan 03, 2011	50.95	51.33	50.51	50.75	1,489,385	+0.16(+0.32%)
Dec 31, 2010	50.62	50.63	50.20	50.59	1,131,812	+0.00(+0.00%)
Dec 30, 2010	50.01	50.73	49.80	50.59	767,703	+0.56(+1.12%)
Dec 29, 2010	49.85	50.44	49.76	50.03	750,643	+0.31(+0.62%)
Dec 28, 2010	50.48	50.84	49.43	49.72	1,109,143	-0.78(-1.54%)
Dec 27, 2010	50.40	50.68	49.98	50.50	940,008	-0.25(-0.49%)
Dec 23, 2010	50.91	51.09	50.55	50.75	831,229	-0.35(-0.68%)
Dec 22, 2010	51.43	51.75	50.65	51.10	1,278,975	-0.25(-0.49%)
Dec 21, 2010	50.84	51.42	50.69	51.35	1,133,178	+0.75(+1.48%)
Dec 20, 2010	50.64	50.96	50.06	50.60	1,694,682	+0.14(+0.28%)
Dec 17, 2010	49.77	50.97	49.73	50.46	5,578,792	+0.77(+1.55%)
Dec 16, 2010	49.64	50.04	49.35	49.69	2,273,610	+0.19(+0.38%)
Dec 15, 2010	48.93	49.95	48.85	49.50	1,369,121	+0.72(+1.48%)
Dec 14, 2010	48.85	49.13	48.46	48.78	1,145,584	-0.18(-0.37%)
Dec 13, 2010	49.75	49.75	48.91	48.96	1,758,436	-0.53(-1.07%)
Dec 10, 2010	48.94	49.51	48.69	49.49	1,742,537	+0.72(+1.48%)
Dec 09, 2010	49.20	49.21	48.42	48.77	1,635,474	-0.13(-0.27%)
Dec 08, 2010	48.84	49.12	48.53	48.90	1,173,850	+0.19(+0.39%)
Dec 07, 2010	49.01	49.49	48.57	48.71	1,294,082	-0.01(-0.02%)
Dec 06, 2010	48.84	48.84	48.21	48.72	1,479,759	-0.15(-0.31%)
Dec 03, 2010	48.97	48.98	48.14	48.87	1,248,671	-0.17(-0.35%)
Dec 02, 2010	47.66	49.25	47.60	49.04	2,258,385	+1.18(+2.47%)

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