Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.19	20.46	20.08	20.45	991,249	+0.31(+1.54%)
Apr 28, 2011	19.88	20.17	19.74	20.14	933,581	+0.27(+1.34%)
Apr 27, 2011	19.88	19.92	19.55	19.87	976,064	+0.09(+0.45%)
Apr 26, 2011	19.84	19.93	19.74	19.78	601,952	-0.01(-0.03%)
Apr 25, 2011	19.84	19.86	19.67	19.79	958,942	+0.04(+0.19%)
Apr 21, 2011	19.83	19.85	19.59	19.75	782,067	+0.11(+0.55%)
Apr 20, 2011	19.69	19.72	19.49	19.64	1,101,378	+0.18(+0.94%)
Apr 19, 2011	19.26	19.55	19.24	19.46	709,103	+0.25(+1.29%)
Apr 18, 2011	19.33	19.33	19.03	19.21	1,078,488	-0.27(-1.40%)
Apr 15, 2011	19.31	19.70	19.29	19.48	746,893	+0.07(+0.36%)
Apr 14, 2011	19.37	19.50	19.25	19.41	689,026	-0.01(-0.03%)
Apr 13, 2011	19.51	19.76	19.34	19.42	831,691	+0.00(+0.00%)
Apr 12, 2011	19.93	19.93	19.08	19.42	1,719,782	-0.65(-3.22%)
Apr 11, 2011	20.52	20.54	20.00	20.07	1,088,065	-0.41(-1.98%)
Apr 08, 2011	20.41	20.55	20.38	20.47	674,503	+0.20(+1.00%)
Apr 07, 2011	20.26	20.38	20.22	20.27	867,278	+0.04(+0.19%)
Apr 06, 2011	20.26	20.36	20.18	20.23	893,410	+0.01(+0.06%)
Apr 05, 2011	20.07	20.28	20.04	20.22	740,205	+0.06(+0.28%)
Apr 04, 2011	20.14	20.25	20.10	20.16	571,248	+0.03(+0.13%)
Apr 01, 2011	20.26	20.32	20.07	20.14	857,881	+0.09(+0.44%)
Mar 31, 2011	20.18	20.28	20.00	20.05	948,109	-0.08(-0.38%)
Mar 30, 2011	20.08	20.22	20.00	20.12	602,459	+0.08(+0.41%)
Mar 29, 2011	19.98	20.14	19.82	20.04	735,126	+0.11(+0.54%)
Mar 28, 2011	19.94	20.14	19.85	19.93	590,457	-0.01(-0.06%)
Mar 25, 2011	19.94	20.12	19.91	19.95	927,406	-0.08(-0.38%)
Mar 24, 2011	19.98	20.25	19.95	20.02	837,294	-0.01(-0.03%)
Mar 23, 2011	19.96	20.08	19.79	20.03	781,892	+0.06(+0.29%)
Mar 22, 2011	20.10	20.15	19.85	19.97	731,855	-0.12(-0.60%)
Mar 21, 2011	20.03	20.10	19.97	20.09	1,004,515	+0.45(+2.29%)
Mar 18, 2011	19.58	19.79	19.53	19.64	866,141	+0.12(+0.62%)
Mar 17, 2011	19.33	19.59	19.17	19.52	1,268,577	+0.60(+3.14%)
Mar 16, 2011	18.60	19.24	18.57	18.93	1,954,922	+0.23(+1.22%)
Mar 15, 2011	18.55	18.88	18.53	18.70	3,298,460	-0.74(-3.81%)
Mar 14, 2011	19.17	19.49	19.07	19.44	974,158	+0.15(+0.79%)
Mar 11, 2011	19.08	19.53	19.01	19.29	1,578,546	-0.15(-0.78%)
Mar 10, 2011	19.79	19.79	19.09	19.44	1,598,691	-0.46(-2.32%)
Mar 09, 2011	20.26	20.38	19.79	19.90	1,162,587	-0.38(-1.87%)
Mar 08, 2011	20.23	20.31	19.95	20.28	919,485	-0.09(-0.44%)
Mar 07, 2011	20.58	20.69	20.16	20.37	1,378,163	-0.18(-0.86%)
Mar 04, 2011	20.45	20.57	20.36	20.55	839,897	+0.06(+0.28%)
Mar 03, 2011	20.40	20.56	20.28	20.49	891,382	+0.05(+0.25%)
Mar 02, 2011	20.41	20.52	20.29	20.44	1,149,997	+0.04(+0.19%)
Mar 01, 2011	20.65	20.72	20.36	20.40	1,356,394	-0.29(-1.41%)
Feb 28, 2011	20.14	20.77	20.12	20.69	1,501,385	+0.60(+2.96%)
Feb 25, 2011	20.40	20.40	19.83	20.10	1,337,465	-0.14(-0.69%)
Feb 24, 2011	20.81	20.85	20.12	20.24	1,951,029	-0.27(-1.33%)
Feb 23, 2011	19.96	20.59	19.91	20.51	2,478,613	+0.64(+3.22%)
Feb 22, 2011	19.45	20.07	19.44	19.87	1,819,545	+0.52(+2.68%)
Feb 18, 2011	19.65	19.70	19.31	19.35	1,270,499	-0.33(-1.67%)
Feb 17, 2011	19.68	19.75	19.57	19.68	996,961	-0.01(-0.06%)
Feb 16, 2011	19.63	19.74	19.52	19.69	1,044,377	+0.16(+0.81%)
Feb 15, 2011	19.80	19.80	19.44	19.53	1,301,672	-0.26(-1.31%)
Feb 14, 2011	19.80	19.83	19.64	19.79	1,018,278	+0.01(+0.06%)
Feb 11, 2011	19.71	19.84	19.64	19.78	701,840	+0.08(+0.39%)
Feb 10, 2011	19.71	19.84	19.64	19.71	843,838	-0.05(-0.26%)
Feb 09, 2011	20.01	20.05	19.63	19.76	1,097,474	-0.30(-1.51%)
Feb 08, 2011	20.21	20.29	20.01	20.06	896,150	-0.28(-1.37%)
Feb 07, 2011	20.43	20.54	20.28	20.34	874,819	-0.08(-0.37%)
Feb 04, 2011	20.52	20.57	20.29	20.41	861,057	-0.01(-0.06%)
Feb 03, 2011	20.50	20.51	20.22	20.43	973,768	+0.04(+0.22%)
Feb 02, 2011	20.53	20.57	20.26	20.38	976,109	-0.04(-0.19%)

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