Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	37.69	37.82	37.59	37.68	245,083	+0.33(+0.87%)
May 23, 2011	37.46	37.49	37.26	37.36	167,823	-0.82(-2.14%)
May 20, 2011	38.32	38.36	38.04	38.18	94,248	-0.40(-1.04%)
May 19, 2011	38.60	38.65	38.37	38.58	187,479	-0.14(-0.36%)
May 18, 2011	38.51	38.83	38.47	38.72	55,568	+0.31(+0.81%)
May 17, 2011	38.20	38.43	37.97	38.40	214,420	+0.05(+0.13%)
May 16, 2011	38.47	38.69	38.30	38.36	396,015	-0.21(-0.54%)
May 13, 2011	39.08	39.08	38.45	38.56	167,700	-0.60(-1.52%)
May 12, 2011	38.98	39.25	38.74	39.16	108,166	+0.00(+0.00%)
May 11, 2011	39.54	39.54	38.99	39.16	183,454	-0.73(-1.82%)
May 10, 2011	39.72	39.90	39.68	39.89	104,307	+0.26(+0.66%)
May 09, 2011	39.46	39.68	39.33	39.62	76,604	+0.24(+0.62%)
May 06, 2011	39.73	39.82	39.23	39.38	108,440	+0.41(+1.05%)
May 05, 2011	39.24	39.31	38.81	38.97	201,496	-0.34(-0.86%)
May 04, 2011	39.55	39.56	39.17	39.31	298,699	-0.42(-1.06%)
May 03, 2011	39.84	39.87	39.46	39.73	129,440	-0.25(-0.62%)
May 02, 2011	40.01	40.05	39.97	39.98	175,320	-0.05(-0.12%)
Apr 29, 2011	39.89	40.05	39.82	40.03	167,905	+0.06(+0.14%)
Apr 28, 2011	39.63	39.98	39.61	39.98	136,943	+0.61(+1.55%)
Apr 27, 2011	39.21	39.43	38.96	39.37	155,139	+0.08(+0.19%)
Apr 26, 2011	39.12	39.37	39.06	39.29	165,910	+0.09(+0.23%)
Apr 25, 2011	39.10	39.21	38.99	39.20	86,603	+0.04(+0.11%)
Apr 21, 2011	39.26	39.26	39.12	39.16	140,202	+0.15(+0.39%)
Apr 20, 2011	38.93	39.05	38.89	39.01	108,859	+0.74(+1.94%)
Apr 19, 2011	38.21	38.32	38.07	38.27	93,012	+0.09(+0.24%)
Apr 18, 2011	38.04	38.18	37.78	38.18	150,168	-0.33(-0.86%)
Apr 15, 2011	38.56	38.63	38.38	38.51	226,334	-0.01(-0.02%)
Apr 14, 2011	38.29	38.59	38.27	38.51	133,244	+0.26(+0.67%)
Apr 13, 2011	38.54	38.54	38.13	38.26	177,209	+0.19(+0.49%)
Apr 12, 2011	38.20	38.20	37.95	38.07	143,878	-0.22(-0.58%)
Apr 11, 2011	38.51	38.69	38.25	38.29	161,247	-0.10(-0.27%)
Apr 08, 2011	38.56	38.64	38.38	38.40	743,040	+0.48(+1.26%)
Apr 07, 2011	38.19	38.29	37.63	37.92	446,371	-0.22(-0.58%)
Apr 06, 2011	38.16	38.21	38.04	38.14	273,557	+0.03(+0.09%)
Apr 05, 2011	38.08	38.27	37.93	38.11	264,542	-0.45(-1.16%)
Apr 04, 2011	38.67	38.67	38.48	38.55	186,302	-0.27(-0.70%)
Apr 01, 2011	38.67	38.86	38.47	38.83	144,103	+0.15(+0.39%)
Mar 31, 2011	38.72	38.83	38.65	38.67	300,399	-0.26(-0.68%)
Mar 30, 2011	38.80	39.03	38.72	38.94	363,411	+0.61(+1.59%)
Mar 29, 2011	38.15	38.38	38.05	38.33	447,114	+0.15(+0.38%)
Mar 28, 2011	38.38	38.45	38.18	38.18	236,666	-0.03(-0.07%)
Mar 25, 2011	38.47	38.62	38.21	38.21	462,237	-0.61(-1.57%)
Mar 24, 2011	38.51	38.92	38.41	38.82	156,421	+0.35(+0.90%)
Mar 23, 2011	38.20	38.63	38.04	38.47	358,350	-0.03(-0.07%)
Mar 22, 2011	38.49	38.54	38.19	38.50	258,445	-0.15(-0.39%)
Mar 21, 2011	38.42	38.65	38.36	38.65	727,165	+1.05(+2.80%)
Mar 18, 2011	37.16	37.70	37.04	37.60	707,242	+0.85(+2.32%)
Mar 17, 2011	36.89	37.09	36.41	36.75	837,227	+1.15(+3.23%)
Mar 16, 2011	36.44	36.49	35.07	35.60	1,330,253	-1.09(-2.98%)
Mar 15, 2011	36.22	36.98	36.11	36.69	1,951,222	-0.57(-1.52%)
Mar 14, 2011	36.91	37.36	36.62	37.26	778,832	-1.88(-4.80%)
Mar 11, 2011	38.83	39.21	38.82	39.14	252,655	-0.30(-0.76%)
Mar 10, 2011	39.70	39.70	39.39	39.44	239,123	-1.01(-2.50%)
Mar 09, 2011	40.43	40.49	40.25	40.45	96,148	-0.04(-0.10%)
Mar 08, 2011	40.33	40.66	40.19	40.49	84,013	+0.30(+0.74%)
Mar 07, 2011	40.77	40.84	40.15	40.19	145,025	-0.63(-1.54%)
Mar 04, 2011	40.93	40.95	40.49	40.82	118,108	-0.28(-0.69%)
Mar 03, 2011	40.86	41.15	40.84	41.11	190,760	+0.39(+0.95%)
Mar 02, 2011	40.66	40.93	40.66	40.72	107,616	-0.06(-0.15%)

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