Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.83	20.85	20.79	20.82	37,503	+0.05(+0.22%)
Apr 28, 2011	20.58	20.78	20.58	20.77	82,743	+0.15(+0.74%)
Apr 27, 2011	20.61	20.63	20.53	20.62	45,459	+0.13(+0.62%)
Apr 26, 2011	20.41	20.52	20.38	20.49	266,818	+0.11(+0.56%)
Apr 25, 2011	20.36	20.38	20.27	20.38	58,609	-0.05(-0.27%)
Apr 21, 2011	20.49	20.49	20.40	20.43	191,013	+0.05(+0.25%)
Apr 20, 2011	20.43	20.44	20.37	20.38	165,523	+0.20(+1.00%)
Apr 19, 2011	20.18	20.18	20.07	20.18	238,473	+0.07(+0.33%)
Apr 18, 2011	20.17	20.17	20.01	20.11	101,370	-0.17(-0.85%)
Apr 15, 2011	20.20	20.32	20.16	20.28	51,222	+0.07(+0.36%)
Apr 14, 2011	20.06	20.23	20.04	20.21	196,646	+0.10(+0.49%)
Apr 13, 2011	20.12	20.14	20.06	20.11	78,788	+0.03(+0.16%)
Apr 12, 2011	20.06	20.10	19.97	20.08	193,914	+0.04(+0.18%)
Apr 11, 2011	20.09	20.13	20.04	20.04	353,503	+0.05(+0.27%)
Apr 08, 2011	20.18	20.18	19.92	19.99	2,060,284	-0.10(-0.51%)
Apr 07, 2011	20.17	20.17	20.00	20.09	44,106	-0.05(-0.24%)
Apr 06, 2011	20.23	20.23	20.11	20.14	53,854	-0.00(-0.01%)
Apr 05, 2011	20.09	20.18	20.08	20.14	53,192	+0.03(+0.15%)
Apr 04, 2011	20.09	20.12	20.06	20.11	32,329	+0.05(+0.22%)
Apr 01, 2011	20.05	20.13	19.99	20.07	47,337	+0.14(+0.69%)
Mar 31, 2011	19.95	20.00	19.92	19.93	229,710	-0.03(-0.15%)
Mar 30, 2011	19.90	19.98	19.89	19.96	349,459	+0.14(+0.73%)
Mar 29, 2011	19.69	19.82	19.69	19.81	28,490	+0.09(+0.47%)
Mar 28, 2011	19.82	19.85	19.72	19.72	88,885	-0.04(-0.18%)
Mar 25, 2011	19.71	19.83	19.71	19.76	62,926	+0.00(+0.00%)
Mar 24, 2011	19.64	19.78	19.63	19.76	53,209	+0.19(+0.95%)
Mar 23, 2011	19.44	19.60	19.39	19.57	33,495	+0.08(+0.43%)
Mar 22, 2011	19.54	19.56	19.48	19.49	43,921	-0.04(-0.22%)
Mar 21, 2011	19.56	19.57	19.52	19.53	41,488	+0.27(+1.42%)
Mar 18, 2011	19.31	19.31	19.21	19.26	131,991	+0.08(+0.42%)
Mar 17, 2011	19.35	19.52	19.15	19.18	58,681	+0.11(+0.58%)
Mar 16, 2011	19.28	19.39	18.97	19.07	94,431	-0.30(-1.55%)
Mar 15, 2011	19.28	19.41	19.27	19.37	78,945	-0.17(-0.86%)
Mar 14, 2011	19.55	19.59	19.42	19.53	88,928	-0.14(-0.73%)
Mar 11, 2011	19.54	19.72	19.53	19.68	87,953	+0.03(+0.15%)
Mar 10, 2011	19.73	19.76	19.64	19.65	262,504	-0.17(-0.83%)
Mar 09, 2011	19.70	19.83	19.69	19.81	19,797	+0.04(+0.19%)
Mar 08, 2011	19.53	19.80	19.53	19.78	98,971	+0.21(+1.07%)
Mar 07, 2011	19.72	19.73	19.50	19.57	55,436	-0.11(-0.55%)
Mar 04, 2011	19.75	19.79	19.56	19.68	61,664	-0.09(-0.44%)
Mar 03, 2011	19.67	19.80	19.66	19.76	95,829	+0.24(+1.25%)
Mar 02, 2011	19.46	19.59	19.46	19.52	36,018	+0.02(+0.12%)
Mar 01, 2011	19.70	19.81	19.50	19.50	841,068	-0.21(-1.04%)
Feb 28, 2011	19.72	19.79	19.68	19.70	49,547	+0.04(+0.20%)
Feb 25, 2011	19.56	19.66	19.54	19.66	23,398	+0.17(+0.86%)
Feb 24, 2011	19.48	19.60	19.36	19.50	76,298	-0.05(-0.26%)
Feb 23, 2011	19.59	19.67	19.48	19.55	68,858	-0.11(-0.55%)
Feb 22, 2011	19.66	19.82	19.63	19.66	50,426	-0.20(-1.00%)
Feb 18, 2011	19.94	19.94	19.79	19.85	94,214	+0.02(+0.12%)
Feb 17, 2011	19.67	19.84	19.66	19.83	47,110	+0.15(+0.75%)
Feb 16, 2011	19.65	19.72	19.64	19.68	52,347	+0.07(+0.37%)
Feb 15, 2011	19.64	19.65	19.56	19.61	74,540	-0.05(-0.26%)
Feb 14, 2011	19.72	19.99	19.63	19.66	77,626	-0.06(-0.32%)
Feb 11, 2011	19.50	19.75	19.50	19.72	1,914,514	+0.20(+1.03%)
Feb 10, 2011	19.54	19.57	19.46	19.52	154,894	-0.10(-0.51%)
Feb 09, 2011	19.58	19.66	19.56	19.62	59,887	+0.03(+0.17%)
Feb 08, 2011	19.48	19.59	19.47	19.59	479,332	+0.12(+0.63%)
Feb 07, 2011	19.44	19.53	19.39	19.47	33,518	+0.10(+0.53%)
Feb 04, 2011	19.23	19.37	19.20	19.36	73,605	+0.14(+0.75%)
Feb 03, 2011	19.09	19.24	19.09	19.22	108,149	+0.10(+0.52%)
Feb 02, 2011	19.16	19.18	19.06	19.12	807,989	-0.08(-0.41%)

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