Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.42	50.42	50.02	50.11	213,469	+0.15(+0.29%)
May 23, 2011	50.01	50.05	49.70	49.97	716,117	-1.08(-2.11%)
May 20, 2011	51.31	51.38	50.86	51.04	408,666	-0.42(-0.81%)
May 19, 2011	51.51	51.55	51.13	51.46	488,943	-0.21(-0.41%)
May 18, 2011	51.10	51.74	51.05	51.67	761,097	+0.94(+1.85%)
May 17, 2011	50.59	50.86	50.41	50.73	455,717	-0.13(-0.26%)
May 16, 2011	50.82	51.35	50.73	50.86	636,865	-0.17(-0.34%)
May 13, 2011	51.76	51.76	50.86	51.03	390,349	-0.66(-1.28%)
May 12, 2011	51.22	51.81	51.15	51.69	905,137	+0.12(+0.24%)
May 11, 2011	52.25	52.31	51.34	51.57	1,341,565	-0.82(-1.56%)
May 10, 2011	52.00	52.44	51.90	52.39	1,052,692	+0.42(+0.82%)
May 09, 2011	51.96	52.12	51.69	51.96	574,207	+0.12(+0.24%)
May 06, 2011	52.19	52.33	51.56	51.84	728,172	+0.47(+0.92%)
May 05, 2011	51.33	51.69	51.09	51.37	597,477	-0.29(-0.55%)
May 04, 2011	52.05	52.06	51.29	51.65	834,523	-0.50(-0.95%)
May 03, 2011	52.36	52.44	51.91	52.15	588,381	-0.83(-1.57%)
May 02, 2011	52.93	53.27	52.86	52.98	252,946	+0.10(+0.19%)
Apr 29, 2011	52.68	52.92	52.58	52.89	580,585	+0.21(+0.40%)
Apr 28, 2011	52.69	52.77	52.44	52.67	328,794	-0.28(-0.52%)
Apr 27, 2011	52.98	53.01	52.36	52.95	504,238	+0.19(+0.36%)
Apr 26, 2011	52.69	52.89	52.51	52.76	246,407	+0.11(+0.20%)
Apr 25, 2011	52.84	52.93	52.49	52.66	339,620	-0.40(-0.75%)
Apr 21, 2011	52.83	53.07	52.79	53.06	145,941	+0.23(+0.43%)
Apr 20, 2011	52.80	52.84	52.56	52.83	297,576	+1.11(+2.14%)
Apr 19, 2011	51.60	51.74	51.38	51.72	185,883	+0.46(+0.89%)
Apr 18, 2011	51.09	51.30	50.81	51.26	739,754	-0.86(-1.66%)
Apr 15, 2011	52.18	52.22	51.90	52.13	695,041	-0.21(-0.41%)
Apr 14, 2011	51.95	52.34	51.95	52.34	216,791	+0.30(+0.58%)
Apr 13, 2011	52.51	52.51	51.88	52.04	385,193	+0.60(+1.17%)
Apr 12, 2011	51.67	51.79	51.29	51.43	341,286	-0.64(-1.24%)
Apr 11, 2011	52.58	52.61	51.95	52.08	630,143	-0.57(-1.08%)
Apr 08, 2011	52.82	53.02	52.45	52.65	260,646	-0.10(-0.19%)
Apr 07, 2011	52.95	53.05	52.56	52.75	412,215	-0.16(-0.29%)
Apr 06, 2011	52.98	53.19	52.71	52.90	3,457,134	+0.00(+0.00%)
Apr 05, 2011	52.71	53.05	52.66	52.90	950,356	-0.01(-0.02%)
Apr 04, 2011	52.82	52.93	52.59	52.91	1,801,534	+0.60(+1.15%)
Apr 01, 2011	51.79	52.43	51.78	52.31	3,309,603	+0.94(+1.83%)
Mar 31, 2011	51.35	51.61	51.26	51.37	779,543	+0.20(+0.38%)
Mar 30, 2011	51.07	51.30	50.92	51.17	236,154	+0.76(+1.50%)
Mar 29, 2011	50.11	50.50	50.06	50.41	438,556	+0.24(+0.49%)
Mar 28, 2011	50.16	50.37	50.10	50.17	373,336	-0.25(-0.50%)
Mar 25, 2011	50.29	50.60	50.21	50.42	240,421	+0.11(+0.23%)
Mar 24, 2011	50.06	50.36	49.71	50.31	182,673	+0.69(+1.40%)
Mar 23, 2011	49.41	49.78	49.16	49.61	212,373	+0.55(+1.13%)
Mar 22, 2011	49.39	49.39	49.04	49.06	338,008	-0.24(-0.50%)
Mar 21, 2011	49.24	49.38	48.98	49.30	206,516	+1.05(+2.18%)
Mar 18, 2011	48.68	48.68	48.18	48.25	198,552	+0.05(+0.10%)
Mar 17, 2011	48.37	48.45	47.91	48.20	272,486	+0.27(+0.56%)
Mar 16, 2011	48.82	48.82	47.54	47.93	1,210,937	-0.94(-1.92%)
Mar 15, 2011	47.96	49.03	47.85	48.87	842,259	-0.93(-1.87%)
Mar 14, 2011	49.42	49.83	49.39	49.80	325,144	+0.12(+0.25%)
Mar 11, 2011	49.21	49.79	49.17	49.68	250,943	+0.18(+0.36%)
Mar 10, 2011	49.92	50.02	49.42	49.50	509,099	-1.25(-2.46%)
Mar 09, 2011	50.67	50.81	50.41	50.75	338,911	+0.07(+0.13%)
Mar 08, 2011	50.17	50.88	50.06	50.68	470,838	+1.04(+2.10%)
Mar 07, 2011	50.47	50.47	49.56	49.64	553,150	-0.68(-1.35%)
Mar 04, 2011	50.42	50.48	49.95	50.32	428,758	+0.15(+0.31%)
Mar 03, 2011	49.89	50.26	49.69	50.16	724,923	+0.82(+1.65%)
Mar 02, 2011	49.17	49.48	49.06	49.35	452,050	+0.36(+0.73%)

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