Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.37	20.50	20.26	20.47	1,091,377	+0.05(+0.22%)
Apr 28, 2011	20.90	20.97	20.19	20.43	2,568,465	-0.67(-3.16%)
Apr 27, 2011	20.95	21.10	20.91	21.09	1,097,728	+0.15(+0.71%)
Apr 26, 2011	20.87	20.99	20.80	20.94	748,592	+0.15(+0.75%)
Apr 25, 2011	20.73	20.85	20.66	20.79	697,431	+0.03(+0.16%)
Apr 21, 2011	20.61	20.84	20.60	20.76	662,165	+0.17(+0.82%)
Apr 20, 2011	20.62	20.70	20.57	20.59	873,582	+0.19(+0.95%)
Apr 19, 2011	20.50	20.55	20.39	20.39	887,848	-0.05(-0.22%)
Apr 18, 2011	20.51	20.63	20.35	20.44	986,862	-0.36(-1.71%)
Apr 15, 2011	20.73	20.81	20.59	20.79	1,041,194	+0.10(+0.47%)
Apr 14, 2011	20.75	20.79	20.62	20.70	832,222	-0.16(-0.77%)
Apr 13, 2011	21.07	21.14	20.79	20.86	1,061,947	-0.12(-0.59%)
Apr 12, 2011	21.18	21.28	20.98	20.98	1,025,687	-0.34(-1.61%)
Apr 11, 2011	21.27	21.49	21.27	21.32	747,967	+0.05(+0.24%)
Apr 08, 2011	21.58	21.63	21.20	21.27	722,364	-0.18(-0.84%)
Apr 07, 2011	21.60	21.68	21.45	21.45	1,388,146	-0.21(-0.98%)
Apr 06, 2011	21.56	21.67	21.50	21.67	1,047,353	+0.21(+0.96%)
Apr 05, 2011	21.49	21.54	21.39	21.46	1,228,308	-0.08(-0.39%)
Apr 04, 2011	21.35	21.54	21.30	21.54	1,289,526	+0.23(+1.06%)
Apr 01, 2011	21.30	21.39	21.23	21.32	1,073,981	+0.13(+0.61%)
Mar 31, 2011	21.28	21.36	21.17	21.19	1,349,349	-0.12(-0.55%)
Mar 30, 2011	21.30	21.30	21.05	21.30	910,805	+0.26(+1.26%)
Mar 29, 2011	20.94	21.08	20.80	21.04	923,957	+0.12(+0.56%)
Mar 28, 2011	21.04	21.07	20.92	20.92	982,482	-0.06(-0.28%)
Mar 25, 2011	20.98	21.08	20.89	20.98	959,757	+0.02(+0.09%)
Mar 24, 2011	21.05	21.05	20.78	20.96	793,048	+0.07(+0.34%)
Mar 23, 2011	21.03	21.05	20.76	20.89	1,270,415	-0.17(-0.80%)
Mar 22, 2011	21.23	21.31	21.06	21.06	912,861	-0.19(-0.88%)
Mar 21, 2011	21.22	21.27	21.03	21.25	1,044,390	+0.44(+2.11%)
Mar 18, 2011	20.97	21.11	20.79	20.81	2,495,105	+0.14(+0.68%)
Mar 17, 2011	20.68	20.74	20.51	20.67	1,148,723	+0.25(+1.22%)
Mar 16, 2011	20.62	20.79	20.35	20.42	2,991,708	-0.23(-1.11%)
Mar 15, 2011	20.51	20.77	20.28	20.65	3,769,516	-0.31(-1.46%)
Mar 14, 2011	20.96	21.07	20.88	20.95	1,296,397	-0.16(-0.76%)
Mar 11, 2011	20.95	21.11	20.82	21.11	1,514,936	+0.07(+0.33%)
Mar 10, 2011	21.18	21.18	20.99	21.04	1,432,472	-0.33(-1.52%)
Mar 09, 2011	21.41	21.43	21.25	21.37	865,382	-0.05(-0.25%)
Mar 08, 2011	21.07	21.49	21.00	21.42	1,408,079	+0.35(+1.67%)
Mar 07, 2011	21.29	21.37	20.98	21.07	6,522,189	-0.15(-0.72%)
Mar 04, 2011	21.41	21.41	20.97	21.22	4,310,398	-0.18(-0.84%)
Mar 03, 2011	21.29	21.46	21.20	21.40	4,146,000	+0.30(+1.42%)
Mar 02, 2011	21.22	21.29	20.91	21.10	1,543,099	-0.19(-0.90%)
Mar 01, 2011	21.80	21.80	21.29	21.29	1,340,565	-0.44(-2.03%)
Feb 28, 2011	21.63	21.77	21.52	21.73	1,524,454	+0.22(+1.04%)
Feb 25, 2011	21.43	21.53	21.34	21.51	1,093,125	+0.20(+0.93%)
Feb 24, 2011	21.45	21.53	21.18	21.31	1,421,577	-0.13(-0.60%)
Feb 23, 2011	21.66	21.74	21.37	21.44	1,313,154	-0.20(-0.91%)
Feb 22, 2011	21.66	21.73	21.57	21.64	1,732,668	-0.18(-0.83%)
Feb 18, 2011	21.60	21.91	21.53	21.82	1,093,796	+0.19(+0.88%)
Feb 17, 2011	21.48	21.67	21.47	21.63	863,768	+0.09(+0.43%)
Feb 16, 2011	21.39	21.54	21.31	21.53	927,176	+0.24(+1.11%)
Feb 15, 2011	21.17	21.34	21.16	21.30	689,977	+0.04(+0.18%)
Feb 14, 2011	21.44	21.53	21.19	21.26	873,938	-0.17(-0.80%)
Feb 11, 2011	21.25	21.43	21.16	21.43	733,938	+0.13(+0.60%)
Feb 10, 2011	21.07	21.31	21.06	21.30	1,224,326	+0.10(+0.45%)
Feb 09, 2011	21.12	21.25	21.00	21.21	1,430,841	-0.04(-0.18%)
Feb 08, 2011	21.15	21.25	21.05	21.25	1,834,109	+0.10(+0.45%)
Feb 07, 2011	21.25	21.30	21.13	21.15	1,904,191	-0.01(-0.03%)
Feb 04, 2011	20.99	21.21	20.93	21.16	1,317,322	+0.04(+0.19%)
Feb 03, 2011	21.48	21.75	20.74	21.12	2,138,351	+0.32(+1.56%)
Feb 02, 2011	21.01	21.02	20.76	20.79	1,359,502	-0.19(-0.91%)

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