Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.36	50.36	49.96	50.05	213,727	+0.15(+0.29%)
May 23, 2011	49.95	49.99	49.64	49.91	716,983	-1.08(-2.11%)
May 20, 2011	51.25	51.31	50.80	50.98	409,160	-0.42(-0.81%)
May 19, 2011	51.44	51.49	51.07	51.40	489,534	-0.21(-0.41%)
May 18, 2011	51.04	51.67	50.99	51.61	762,018	+0.94(+1.85%)
May 17, 2011	50.52	50.80	50.35	50.67	456,268	-0.13(-0.26%)
May 16, 2011	50.76	51.29	50.67	50.80	637,636	-0.17(-0.34%)
May 13, 2011	51.70	51.70	50.80	50.97	390,821	-0.66(-1.28%)
May 12, 2011	51.16	51.75	51.09	51.63	906,232	+0.12(+0.24%)
May 11, 2011	52.19	52.24	51.27	51.51	1,343,187	-0.81(-1.56%)
May 10, 2011	51.93	52.38	51.84	52.32	1,053,965	+0.42(+0.82%)
May 09, 2011	51.89	52.06	51.62	51.90	574,901	+0.12(+0.24%)
May 06, 2011	52.13	52.27	51.50	51.78	729,052	+0.47(+0.92%)
May 05, 2011	51.27	51.63	51.03	51.31	598,200	-0.29(-0.55%)
May 04, 2011	51.99	52.00	51.22	51.59	835,532	-0.50(-0.95%)
May 03, 2011	52.30	52.37	51.84	52.09	589,093	-0.83(-1.57%)
May 02, 2011	52.87	53.20	52.80	52.92	253,251	+0.10(+0.18%)
Apr 29, 2011	52.62	52.85	52.51	52.82	581,287	+0.21(+0.40%)
Apr 28, 2011	52.63	52.71	52.38	52.61	329,191	-0.28(-0.52%)
Apr 27, 2011	52.91	52.94	52.29	52.89	504,847	+0.19(+0.36%)
Apr 26, 2011	52.63	52.83	52.45	52.70	246,705	+0.11(+0.20%)
Apr 25, 2011	52.77	52.87	52.42	52.59	340,031	-0.40(-0.75%)
Apr 21, 2011	52.76	53.01	52.72	52.99	146,117	+0.23(+0.43%)
Apr 20, 2011	52.74	52.77	52.50	52.76	297,936	+1.11(+2.14%)
Apr 19, 2011	51.53	51.67	51.31	51.66	186,108	+0.46(+0.89%)
Apr 18, 2011	51.03	51.24	50.74	51.20	740,649	-0.86(-1.66%)
Apr 15, 2011	52.12	52.15	51.84	52.06	695,882	-0.21(-0.41%)
Apr 14, 2011	51.88	52.28	51.88	52.28	217,053	+0.30(+0.58%)
Apr 13, 2011	52.45	52.45	51.82	51.97	385,659	+0.60(+1.17%)
Apr 12, 2011	51.61	51.73	51.22	51.37	341,699	-0.64(-1.24%)
Apr 11, 2011	52.51	52.54	51.88	52.02	630,905	-0.57(-1.08%)
Apr 08, 2011	52.76	52.96	52.39	52.59	260,962	-0.10(-0.19%)
Apr 07, 2011	52.89	52.98	52.50	52.68	412,714	-0.15(-0.29%)
Apr 06, 2011	52.91	53.12	52.65	52.84	3,461,315	+0.00(+0.00%)
Apr 05, 2011	52.64	52.98	52.59	52.84	951,506	-0.01(-0.02%)
Apr 04, 2011	52.76	52.87	52.53	52.85	1,803,713	+0.60(+1.15%)
Apr 01, 2011	51.73	52.37	51.71	52.24	3,313,606	+0.94(+1.83%)
Mar 31, 2011	51.29	51.55	51.20	51.31	780,486	+0.20(+0.38%)
Mar 30, 2011	51.00	51.24	50.86	51.11	236,439	+0.76(+1.50%)
Mar 29, 2011	50.05	50.43	50.00	50.35	439,086	+0.24(+0.49%)
Mar 28, 2011	50.10	50.31	50.04	50.11	373,788	-0.25(-0.50%)
Mar 25, 2011	50.23	50.54	50.15	50.36	240,712	+0.11(+0.23%)
Mar 24, 2011	49.99	50.30	49.65	50.25	182,894	+0.69(+1.40%)
Mar 23, 2011	49.35	49.72	49.10	49.55	212,630	+0.55(+1.13%)
Mar 22, 2011	49.33	49.33	48.98	49.00	338,416	-0.24(-0.50%)
Mar 21, 2011	49.18	49.32	48.92	49.25	206,766	+1.05(+2.18%)
Mar 18, 2011	48.63	48.63	48.12	48.19	198,792	+0.05(+0.10%)
Mar 17, 2011	48.32	48.39	47.85	48.15	272,816	+0.27(+0.56%)
Mar 16, 2011	48.76	48.76	47.49	47.88	1,212,401	-0.94(-1.92%)
Mar 15, 2011	47.90	48.97	47.80	48.81	843,278	-0.93(-1.87%)
Mar 14, 2011	49.36	49.77	49.33	49.74	325,537	+0.12(+0.25%)
Mar 11, 2011	49.15	49.73	49.11	49.62	251,247	+0.18(+0.36%)
Mar 10, 2011	49.86	49.96	49.36	49.44	509,715	-1.25(-2.46%)
Mar 09, 2011	50.61	50.74	50.35	50.69	339,321	+0.07(+0.13%)
Mar 08, 2011	50.11	50.82	49.99	50.62	471,407	+1.04(+2.10%)
Mar 07, 2011	50.41	50.41	49.50	49.58	553,819	-0.68(-1.35%)
Mar 04, 2011	50.36	50.42	49.89	50.26	429,277	+0.15(+0.31%)
Mar 03, 2011	49.83	50.20	49.63	50.10	725,799	+0.81(+1.65%)
Mar 02, 2011	49.11	49.42	49.00	49.29	452,596	+0.36(+0.73%)

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