Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	73.27	73.27	71.68	71.80	341,983	-1.26(-1.73%)
May 23, 2011	73.01	73.66	72.27	73.06	356,812	-0.96(-1.29%)
May 20, 2011	75.35	75.44	73.29	74.02	426,597	-1.33(-1.77%)
May 19, 2011	75.17	75.90	74.76	75.35	425,599	+0.36(+0.48%)
May 18, 2011	74.68	75.10	74.19	74.99	387,902	+0.34(+0.45%)
May 17, 2011	74.85	74.93	73.89	74.66	313,750	-0.58(-0.77%)
May 16, 2011	74.89	75.76	74.52	75.23	283,661	+0.25(+0.33%)
May 13, 2011	75.89	76.26	74.77	74.98	193,087	-0.75(-0.99%)
May 12, 2011	74.60	75.89	74.24	75.73	341,108	+0.86(+1.14%)
May 11, 2011	75.16	75.16	73.85	74.87	233,629	-0.21(-0.28%)
May 10, 2011	75.06	75.41	74.55	75.08	224,055	+0.21(+0.28%)
May 09, 2011	73.36	75.28	73.19	74.87	366,397	+1.26(+1.72%)
May 06, 2011	73.84	74.48	73.42	73.61	311,423	+0.59(+0.80%)
May 05, 2011	73.03	73.82	72.57	73.02	254,705	-0.36(-0.49%)
May 04, 2011	74.13	74.14	72.98	73.38	389,085	-0.84(-1.13%)
May 03, 2011	74.68	75.06	74.01	74.22	451,393	-0.67(-0.89%)
May 02, 2011	74.82	74.89	74.78	74.88	323,737	+0.31(+0.41%)
Apr 29, 2011	73.87	74.75	73.44	74.58	284,138	+0.71(+0.96%)
Apr 28, 2011	73.21	74.27	73.21	73.87	220,427	+0.64(+0.87%)
Apr 27, 2011	73.84	73.98	72.71	73.23	425,484	-0.58(-0.78%)
Apr 26, 2011	72.53	73.83	72.35	73.81	661,643	+1.49(+2.07%)
Apr 25, 2011	73.87	73.93	72.30	72.32	455,905	-1.59(-2.16%)
Apr 21, 2011	74.41	74.68	73.79	73.91	368,334	-0.07(-0.09%)
Apr 20, 2011	74.30	75.06	73.60	73.98	236,876	+0.60(+0.81%)
Apr 19, 2011	73.37	73.48	72.95	73.38	206,588	+0.34(+0.46%)
Apr 18, 2011	72.58	73.09	71.42	73.04	394,869	-0.22(-0.30%)
Apr 15, 2011	73.35	73.66	73.00	73.26	253,884	-0.04(-0.05%)
Apr 14, 2011	71.89	73.52	71.67	73.30	513,678	+1.00(+1.38%)
Apr 13, 2011	72.35	72.52	71.85	72.31	524,927	+0.12(+0.17%)
Apr 12, 2011	71.52	72.58	71.52	72.19	333,633	-0.08(-0.11%)
Apr 11, 2011	72.32	72.81	71.72	72.27	435,432	-0.09(-0.12%)
Apr 08, 2011	74.14	74.90	72.17	72.36	965,054	-0.84(-1.14%)
Apr 07, 2011	69.34	73.41	69.00	73.19	1,857,293	+4.10(+5.94%)
Apr 06, 2011	69.18	69.20	68.75	69.09	509,823	+0.23(+0.33%)
Apr 05, 2011	69.06	69.29	68.72	68.86	625,316	-0.37(-0.53%)
Apr 04, 2011	69.53	69.70	69.01	69.23	841,018	-0.07(-0.10%)
Apr 01, 2011	69.46	69.70	69.01	69.30	669,866	+0.15(+0.22%)
Mar 31, 2011	68.41	69.15	68.08	69.15	7,632,978	+0.76(+1.11%)
Mar 30, 2011	68.93	68.97	68.22	68.39	428,697	-0.46(-0.67%)
Mar 29, 2011	68.57	69.13	68.17	68.85	450,094	+0.34(+0.49%)
Mar 28, 2011	69.12	69.46	68.49	68.51	550,613	-0.54(-0.78%)
Mar 25, 2011	68.18	69.29	68.00	69.05	615,012	+1.55(+2.30%)
Mar 24, 2011	67.13	67.84	66.69	67.50	534,022	+0.79(+1.18%)
Mar 23, 2011	66.24	67.17	65.53	66.71	300,989	+0.31(+0.46%)
Mar 22, 2011	66.89	67.12	66.11	66.40	261,734	-0.53(-0.79%)
Mar 21, 2011	67.00	67.08	66.74	66.93	339,337	+1.69(+2.59%)
Mar 18, 2011	65.77	65.86	65.01	65.24	509,706	+0.49(+0.75%)
Mar 17, 2011	66.15	66.15	64.75	64.75	511,708	-0.45(-0.69%)
Mar 16, 2011	65.79	66.33	64.90	65.20	404,086	-0.67(-1.01%)
Mar 15, 2011	65.99	68.40	65.65	65.86	832,710	-2.54(-3.71%)
Mar 14, 2011	68.56	68.98	68.16	68.40	453,741	-0.28(-0.41%)
Mar 11, 2011	68.77	68.99	67.77	68.68	349,205	+0.09(+0.13%)
Mar 10, 2011	69.94	69.94	68.26	68.59	466,122	-1.66(-2.37%)
Mar 09, 2011	69.98	70.74	69.15	70.25	538,828	+0.06(+0.09%)
Mar 08, 2011	68.82	71.18	68.30	70.19	913,751	+1.16(+1.69%)
Mar 07, 2011	69.96	70.10	67.23	69.03	1,302,669	-0.77(-1.10%)
Mar 04, 2011	67.50	70.01	66.41	69.80	2,328,958	+6.45(+10.19%)
Mar 03, 2011	61.94	63.47	61.47	63.34	756,264	+1.99(+3.25%)
Mar 02, 2011	61.33	62.18	61.04	61.35	367,771	-0.15(-0.24%)

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