Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	22.13	22.48	22.11	22.46	1,436,289	+0.30(+1.38%)
Apr 28, 2011	21.95	22.17	21.88	22.15	913,616	+0.12(+0.53%)
Apr 27, 2011	21.90	22.07	21.76	22.04	1,496,171	+0.13(+0.61%)
Apr 26, 2011	21.93	22.01	21.81	21.90	1,503,614	+0.10(+0.45%)
Apr 25, 2011	21.88	22.12	21.76	21.80	1,608,790	-0.05(-0.25%)
Apr 21, 2011	21.23	21.91	21.22	21.86	2,156,605	+0.71(+3.35%)
Apr 20, 2011	21.62	22.22	20.86	21.15	6,027,778	-0.26(-1.21%)
Apr 19, 2011	20.75	21.42	20.59	21.41	3,175,039	+0.69(+3.33%)
Apr 18, 2011	20.63	20.77	20.37	20.72	1,976,955	-0.09(-0.43%)
Apr 15, 2011	21.04	21.08	20.80	20.81	2,545,259	-0.21(-0.98%)
Apr 14, 2011	20.74	21.01	20.54	21.01	2,832,343	+0.15(+0.73%)
Apr 13, 2011	21.07	21.11	20.77	20.86	1,852,284	-0.02(-0.09%)
Apr 12, 2011	21.32	21.32	20.82	20.88	1,753,210	-0.17(-0.81%)
Apr 11, 2011	21.43	21.43	20.91	21.05	2,138,358	-0.29(-1.35%)
Apr 08, 2011	21.53	21.77	21.18	21.34	1,625,738	-0.14(-0.67%)
Apr 07, 2011	21.09	21.66	20.87	21.48	3,697,906	-0.33(-1.52%)
Apr 06, 2011	22.01	22.05	21.69	21.81	2,823,638	+0.01(+0.04%)
Apr 05, 2011	21.85	21.97	21.74	21.80	2,200,945	-0.14(-0.65%)
Apr 04, 2011	21.98	22.04	21.73	21.95	1,508,483	+0.03(+0.12%)
Apr 01, 2011	21.97	22.12	21.69	21.92	3,072,805	+0.07(+0.33%)
Mar 31, 2011	21.86	21.99	21.75	21.85	3,535,991	-0.04(-0.16%)
Mar 30, 2011	21.88	21.95	21.67	21.88	2,279,222	+0.19(+0.87%)
Mar 29, 2011	21.69	21.77	21.52	21.69	1,299,627	+0.02(+0.08%)
Mar 28, 2011	21.89	22.04	21.58	21.68	1,992,555	-0.21(-0.94%)
Mar 25, 2011	21.69	22.21	21.69	21.88	3,484,329	+0.21(+0.95%)
Mar 24, 2011	21.23	22.10	20.96	21.68	4,715,802	+0.72(+3.42%)
Mar 23, 2011	20.74	21.07	20.62	20.96	2,399,191	+0.13(+0.65%)
Mar 22, 2011	20.85	21.09	20.74	20.82	2,087,140	-0.02(-0.09%)
Mar 21, 2011	21.10	21.33	20.42	20.84	5,434,459	-0.57(-2.68%)
Mar 18, 2011	21.52	21.56	21.29	21.42	1,832,276	+0.20(+0.93%)
Mar 17, 2011	21.13	21.40	21.01	21.22	2,248,910	+0.35(+1.68%)
Mar 16, 2011	21.25	21.65	20.77	20.87	3,009,835	-0.17(-0.81%)
Mar 15, 2011	20.29	21.21	20.17	21.04	2,622,283	+0.17(+0.82%)
Mar 14, 2011	21.00	21.10	20.80	20.87	1,871,721	-0.14(-0.68%)
Mar 11, 2011	20.82	21.11	20.76	21.01	1,478,497	+0.08(+0.39%)
Mar 10, 2011	21.17	21.51	20.90	20.93	2,087,578	-0.45(-2.10%)
Mar 09, 2011	21.28	21.69	21.24	21.38	2,738,726	+0.15(+0.72%)
Mar 08, 2011	20.91	21.26	20.77	21.23	1,975,910	+0.31(+1.50%)
Mar 07, 2011	21.12	21.23	20.63	20.91	2,146,493	-0.16(-0.77%)
Mar 04, 2011	21.33	21.35	20.78	21.08	2,616,019	-0.24(-1.14%)
Mar 03, 2011	20.81	21.51	20.74	21.32	3,718,624	+0.72(+3.48%)
Mar 02, 2011	20.53	20.90	20.25	20.60	2,864,884	+0.09(+0.44%)
Mar 01, 2011	20.84	21.02	20.44	20.51	2,957,355	-0.34(-1.63%)
Feb 28, 2011	20.97	21.32	20.76	20.85	2,732,989	-0.18(-0.85%)
Feb 25, 2011	20.31	21.17	20.25	21.03	2,972,335	+0.74(+3.67%)
Feb 24, 2011	19.49	20.54	19.48	20.29	4,339,172	-0.28(-1.35%)
Feb 23, 2011	20.58	20.86	20.29	20.56	2,665,929	+0.13(+0.61%)
Feb 22, 2011	20.90	21.01	20.33	20.44	1,947,879	-0.61(-2.90%)
Feb 18, 2011	21.06	21.20	20.82	21.05	977,169	+0.01(+0.04%)
Feb 17, 2011	20.77	21.11	20.75	21.04	1,371,726	+0.20(+0.95%)
Feb 16, 2011	20.99	21.09	20.74	20.84	2,532,407	-0.13(-0.60%)
Feb 15, 2011	20.68	21.14	20.67	20.97	2,668,857	+0.22(+1.04%)
Feb 14, 2011	20.91	21.00	20.38	20.75	2,183,755	-0.23(-1.11%)
Feb 11, 2011	21.01	21.08	20.76	20.99	2,578,391	-0.08(-0.38%)
Feb 10, 2011	20.85	21.52	20.63	21.07	7,203,541	+1.17(+5.91%)
Feb 09, 2011	19.74	19.89	19.43	19.89	2,673,833	+0.48(+2.50%)
Feb 08, 2011	19.83	19.84	19.39	19.41	3,051,230	-0.42(-2.13%)
Feb 07, 2011	19.65	20.13	19.54	19.83	1,911,504	+0.24(+1.24%)
Feb 04, 2011	19.55	19.85	19.52	19.59	1,812,939	-0.01(-0.05%)
Feb 03, 2011	19.45	19.73	19.30	19.60	2,333,624	+0.09(+0.47%)
Feb 02, 2011	19.80	19.87	19.45	19.50	2,460,128	-0.23(-1.15%)

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