Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	73.79	74.91	73.79	74.08	222,584	+0.88(+1.21%)
May 23, 2011	72.93	73.52	72.69	73.20	366,738	-1.14(-1.53%)
May 20, 2011	74.41	74.93	73.38	74.33	277,953	-0.05(-0.07%)
May 19, 2011	74.56	74.96	73.80	74.39	322,187	+0.10(+0.14%)
May 18, 2011	72.96	74.79	72.85	74.29	320,663	+1.57(+2.16%)
May 17, 2011	72.35	73.09	71.86	72.71	474,839	-0.05(-0.07%)
May 16, 2011	72.98	74.31	72.63	72.77	411,537	-0.66(-0.90%)
May 13, 2011	74.07	74.49	72.76	73.43	357,562	-0.39(-0.53%)
May 12, 2011	73.52	74.37	72.46	73.82	644,102	-0.13(-0.17%)
May 11, 2011	75.82	75.82	73.44	73.95	462,320	-2.25(-2.95%)
May 10, 2011	75.87	76.48	75.23	76.20	336,555	+0.44(+0.58%)
May 09, 2011	74.78	76.14	74.66	75.76	305,550	+1.34(+1.80%)
May 06, 2011	74.73	76.08	73.70	74.42	591,179	+0.29(+0.39%)
May 05, 2011	74.60	75.32	73.29	74.13	909,225	-1.56(-2.07%)
May 04, 2011	76.91	76.95	75.08	75.69	573,516	-1.48(-1.91%)
May 03, 2011	78.72	78.72	76.53	77.17	395,939	-2.03(-2.56%)
May 02, 2011	78.97	79.23	78.70	79.20	291,007	-1.15(-1.43%)
Apr 29, 2011	79.04	80.35	79.04	80.35	247,062	+1.40(+1.78%)
Apr 28, 2011	78.83	79.34	78.36	78.95	221,636	-0.18(-0.23%)
Apr 27, 2011	79.53	79.53	77.82	79.13	157,330	-0.05(-0.06%)
Apr 26, 2011	78.54	79.27	78.36	79.18	201,893	+0.80(+1.02%)
Apr 25, 2011	78.75	78.81	77.91	78.38	191,942	-0.40(-0.51%)
Apr 21, 2011	78.43	78.85	78.11	78.78	202,694	+0.53(+0.68%)
Apr 20, 2011	78.02	78.32	77.62	78.25	223,338	+1.66(+2.17%)
Apr 19, 2011	75.73	76.68	75.73	76.59	157,980	+0.78(+1.02%)
Apr 18, 2011	76.14	76.14	75.05	75.81	352,162	-1.27(-1.64%)
Apr 15, 2011	76.61	77.13	75.99	77.08	161,525	+0.76(+0.99%)
Apr 14, 2011	75.44	76.52	75.11	76.32	174,191	+0.52(+0.68%)
Apr 13, 2011	76.05	76.43	75.23	75.80	176,572	+0.29(+0.38%)
Apr 12, 2011	76.93	77.01	75.00	75.51	967,035	-2.29(-2.94%)
Apr 11, 2011	79.68	79.68	77.61	77.80	256,407	-1.71(-2.15%)
Apr 08, 2011	79.62	80.06	79.05	79.51	131,317	+0.30(+0.38%)
Apr 07, 2011	79.01	79.50	78.52	79.21	126,885	+0.09(+0.11%)
Apr 06, 2011	80.46	80.58	78.84	79.12	226,183	-0.89(-1.12%)
Apr 05, 2011	79.75	80.42	79.65	80.02	205,305	+0.19(+0.24%)
Apr 04, 2011	80.13	80.22	79.69	79.82	299,656	+0.06(+0.08%)
Apr 01, 2011	80.19	80.34	79.50	79.76	243,494	+0.34(+0.43%)
Mar 31, 2011	79.99	80.46	79.42	79.42	254,420	-0.18(-0.22%)
Mar 30, 2011	79.51	79.91	78.90	79.60	264,940	+0.68(+0.86%)
Mar 29, 2011	77.86	79.08	77.65	78.92	258,560	+0.88(+1.12%)
Mar 28, 2011	78.18	78.96	77.94	78.04	330,924	-0.12(-0.16%)
Mar 25, 2011	77.61	78.46	77.33	78.16	193,281	+0.75(+0.97%)
Mar 24, 2011	77.54	77.57	76.70	77.42	315,207	+0.22(+0.29%)
Mar 23, 2011	77.11	77.44	76.55	77.19	341,395	+0.10(+0.12%)
Mar 22, 2011	77.40	77.50	76.84	77.10	401,184	-0.16(-0.21%)
Mar 21, 2011	77.04	77.26	76.88	77.26	394,379	+2.12(+2.82%)
Mar 18, 2011	75.95	76.29	74.91	75.14	290,694	-0.16(-0.22%)
Mar 17, 2011	74.18	75.56	74.04	75.30	256,642	+2.19(+2.99%)
Mar 16, 2011	74.53	75.16	72.35	73.11	787,350	-1.19(-1.61%)
Mar 15, 2011	74.08	74.90	73.78	74.31	405,552	-0.63(-0.84%)
Mar 14, 2011	74.08	75.12	73.69	74.94	394,403	+0.37(+0.49%)
Mar 11, 2011	72.58	75.06	72.43	74.57	515,725	+1.26(+1.72%)
Mar 10, 2011	75.07	76.11	73.11	73.31	697,882	-2.80(-3.67%)
Mar 09, 2011	76.44	76.93	75.91	76.11	222,891	-0.55(-0.72%)
Mar 08, 2011	77.35	77.35	75.99	76.66	334,055	-0.63(-0.82%)
Mar 07, 2011	78.18	78.72	76.89	77.29	323,558	-0.56(-0.72%)
Mar 04, 2011	78.39	78.39	77.28	77.85	306,606	-0.39(-0.50%)
Mar 03, 2011	77.48	78.31	77.27	78.24	317,585	+1.20(+1.56%)
Mar 02, 2011	76.47	77.12	75.78	77.04	393,027	+0.39(+0.51%)

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