Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.79	50.80	50.09	50.10	557,002	-0.44(-0.87%)
May 23, 2011	50.97	50.97	50.50	50.54	103,828	-1.06(-2.05%)
May 20, 2011	51.71	51.86	51.30	51.59	122,174	-0.11(-0.20%)
May 19, 2011	52.03	52.03	51.25	51.70	228,239	-0.44(-0.84%)
May 18, 2011	51.23	52.25	51.23	52.14	57,206	+0.93(+1.82%)
May 17, 2011	51.57	51.61	50.71	51.21	427,673	-0.64(-1.24%)
May 16, 2011	52.39	52.92	51.75	51.85	278,678	-0.74(-1.41%)
May 13, 2011	53.17	53.33	52.55	52.59	49,480	-0.65(-1.22%)
May 12, 2011	52.33	53.45	52.27	53.24	129,363	+0.69(+1.31%)
May 11, 2011	53.08	53.20	52.25	52.55	75,874	-0.39(-0.73%)
May 10, 2011	52.80	53.11	52.71	52.94	55,590	+0.26(+0.48%)
May 09, 2011	52.96	52.96	52.37	52.69	195,742	-0.22(-0.42%)
May 06, 2011	53.14	53.46	52.69	52.91	107,040	+0.41(+0.79%)
May 05, 2011	52.09	53.00	52.01	52.49	97,795	+0.14(+0.27%)
May 04, 2011	52.57	52.79	51.73	52.35	300,828	-0.02(-0.03%)
May 03, 2011	52.77	52.90	52.01	52.37	131,406	-0.65(-1.23%)
May 02, 2011	53.11	53.68	52.91	53.02	86,584	-0.48(-0.90%)
Apr 29, 2011	53.23	53.58	53.23	53.51	48,453	+0.18(+0.35%)
Apr 28, 2011	53.45	53.62	52.97	53.32	51,608	-0.27(-0.51%)
Apr 27, 2011	53.26	53.68	53.00	53.59	87,400	-0.04(-0.07%)
Apr 26, 2011	52.82	53.72	52.82	53.63	107,005	+0.86(+1.63%)
Apr 25, 2011	52.97	52.97	52.57	52.77	199,685	+0.04(+0.07%)
Apr 21, 2011	53.10	53.10	52.48	52.73	77,546	+0.05(+0.10%)
Apr 20, 2011	51.98	52.73	51.95	52.68	317,600	+2.14(+4.23%)
Apr 19, 2011	50.27	50.59	50.15	50.54	91,772	+0.21(+0.42%)
Apr 18, 2011	50.62	50.63	49.96	50.33	133,566	-0.92(-1.79%)
Apr 15, 2011	50.84	51.41	50.57	51.24	211,503	+0.26(+0.52%)
Apr 14, 2011	50.49	50.99	50.21	50.98	127,743	+0.08(+0.16%)
Apr 13, 2011	51.08	51.24	50.60	50.90	482,864	+0.12(+0.24%)
Apr 12, 2011	51.52	51.52	50.50	50.78	262,279	-1.10(-2.12%)
Apr 11, 2011	52.32	52.39	51.69	51.88	140,553	-0.44(-0.84%)
Apr 08, 2011	53.01	53.14	52.04	52.32	109,525	-0.44(-0.83%)
Apr 07, 2011	52.97	52.97	52.20	52.76	895,535	-0.18(-0.33%)
Apr 06, 2011	52.66	53.01	52.46	52.93	101,816	+0.80(+1.54%)
Apr 05, 2011	51.86	52.55	51.80	52.13	307,818	+1.14(+2.24%)
Apr 04, 2011	51.64	51.64	50.70	50.99	254,212	-0.46(-0.89%)
Apr 01, 2011	52.32	52.32	51.28	51.45	210,213	-0.57(-1.10%)
Mar 31, 2011	52.42	52.57	51.87	52.02	69,455	-0.49(-0.94%)
Mar 30, 2011	52.97	52.97	52.09	52.51	90,292	+0.06(+0.12%)
Mar 29, 2011	51.91	52.45	51.45	52.45	240,028	+0.52(+1.00%)
Mar 28, 2011	52.25	52.39	51.90	51.93	483,063	+0.01(+0.02%)
Mar 25, 2011	52.20	52.45	51.86	51.92	412,838	-0.18(-0.35%)
Mar 24, 2011	51.34	52.22	51.23	52.11	342,683	+1.24(+2.44%)
Mar 23, 2011	50.20	50.95	49.88	50.86	627,790	+0.48(+0.96%)
Mar 22, 2011	50.84	50.84	50.30	50.38	261,125	-0.48(-0.95%)
Mar 21, 2011	51.03	51.15	50.55	50.86	285,592	+0.90(+1.80%)
Mar 18, 2011	50.53	50.56	49.76	49.97	481,018	+0.21(+0.42%)
Mar 17, 2011	50.09	50.35	49.58	49.76	1,715,588	+0.59(+1.20%)
Mar 16, 2011	49.95	50.79	48.80	49.17	2,550,010	-1.06(-2.10%)
Mar 15, 2011	49.28	50.56	48.70	50.22	593,398	-0.67(-1.31%)
Mar 14, 2011	50.77	51.52	50.55	50.89	1,525,546	-0.11(-0.22%)
Mar 11, 2011	50.10	51.07	50.10	51.01	237,256	+0.57(+1.13%)
Mar 10, 2011	50.99	51.20	50.39	50.43	668,295	-1.31(-2.53%)
Mar 09, 2011	53.13	53.13	51.68	51.74	694,955	-1.66(-3.10%)
Mar 08, 2011	53.28	53.86	52.80	53.40	696,572	+0.05(+0.10%)
Mar 07, 2011	55.05	55.05	52.74	53.35	328,368	-1.51(-2.74%)
Mar 04, 2011	55.24	55.26	54.44	54.85	1,832,055	-0.46(-0.83%)
Mar 03, 2011	54.82	55.55	54.82	55.31	224,211	+1.05(+1.93%)
Mar 02, 2011	53.54	54.97	53.54	54.26	1,485,552	+0.68(+1.27%)

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