Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	20.89	20.98	20.84	20.94	1,903,923	+0.03(+0.12%)
Apr 28, 2011	20.66	20.94	20.65	20.92	10,332,741	-0.21(-1.00%)
Apr 27, 2011	21.16	21.23	21.07	21.13	2,560,417	+0.09(+0.43%)
Apr 26, 2011	20.99	21.06	20.95	21.04	1,248,528	+0.21(+0.99%)
Apr 25, 2011	20.82	20.88	20.78	20.83	774,379	-0.07(-0.34%)
Apr 21, 2011	20.96	20.97	20.82	20.90	2,168,634	+0.21(+1.03%)
Apr 20, 2011	20.78	20.83	20.60	20.69	2,322,054	+0.15(+0.72%)
Apr 19, 2011	20.45	20.56	20.42	20.54	2,113,119	+0.35(+1.75%)
Apr 18, 2011	20.11	20.22	19.91	20.19	2,995,180	-0.48(-2.30%)
Apr 15, 2011	20.57	20.69	20.49	20.67	3,716,448	+0.23(+1.13%)
Apr 14, 2011	20.45	20.51	20.38	20.43	3,485,440	+0.29(+1.44%)
Apr 13, 2011	20.29	20.29	20.09	20.15	2,040,188	+0.14(+0.68%)
Apr 12, 2011	20.16	20.18	19.97	20.01	2,083,561	-0.13(-0.64%)
Apr 11, 2011	20.11	20.17	20.05	20.14	1,754,494	+0.14(+0.71%)
Apr 08, 2011	20.15	20.16	19.95	20.00	1,175,415	+0.06(+0.29%)
Apr 07, 2011	19.91	20.00	19.84	19.94	1,054,675	-0.01(-0.03%)
Apr 06, 2011	19.82	20.02	19.81	19.95	1,466,520	+0.15(+0.75%)
Apr 05, 2011	19.51	19.83	19.50	19.80	2,188,616	+0.13(+0.65%)
Apr 04, 2011	19.69	19.72	19.63	19.67	1,173,941	-0.05(-0.23%)
Apr 01, 2011	19.60	19.73	19.48	19.71	1,418,290	+0.03(+0.13%)
Mar 31, 2011	19.68	19.80	19.62	19.69	1,819,401	+0.07(+0.36%)
Mar 30, 2011	19.55	19.65	19.53	19.62	876,651	+0.08(+0.40%)
Mar 29, 2011	19.29	19.56	19.27	19.54	2,101,971	+0.06(+0.30%)
Mar 28, 2011	19.49	19.54	19.45	19.48	1,885,453	+0.08(+0.43%)
Mar 25, 2011	19.48	19.57	19.39	19.40	1,070,790	+0.03(+0.17%)
Mar 24, 2011	19.23	19.43	19.20	19.37	1,511,726	+0.21(+1.11%)
Mar 23, 2011	19.05	19.19	18.92	19.16	1,936,747	+0.16(+0.85%)
Mar 22, 2011	19.09	19.10	18.96	18.99	1,674,853	-0.26(-1.37%)
Mar 21, 2011	19.24	19.30	19.22	19.26	1,353,270	+0.31(+1.63%)
Mar 18, 2011	19.08	19.10	18.88	18.95	2,207,593	+0.34(+1.83%)
Mar 17, 2011	18.70	18.73	18.56	18.61	1,700,419	+0.18(+0.97%)
Mar 16, 2011	18.75	18.81	18.29	18.43	3,560,655	-0.27(-1.47%)
Mar 15, 2011	18.61	18.75	18.60	18.71	2,341,893	-0.37(-1.96%)
Mar 14, 2011	19.01	19.10	18.96	19.08	1,765,447	-0.10(-0.50%)
Mar 11, 2011	18.92	19.21	18.91	19.17	2,004,047	+0.11(+0.57%)
Mar 10, 2011	19.05	19.13	18.96	19.07	1,926,237	-0.21(-1.07%)
Mar 09, 2011	19.17	19.28	19.14	19.27	3,668,784	+0.18(+0.94%)
Mar 08, 2011	18.99	19.17	18.92	19.09	1,711,317	-0.02(-0.10%)
Mar 07, 2011	19.26	19.29	19.08	19.11	2,444,242	-0.08(-0.40%)
Mar 04, 2011	19.21	19.21	19.06	19.19	3,311,142	+0.05(+0.24%)
Mar 03, 2011	19.18	19.24	19.11	19.14	4,488,023	+0.10(+0.51%)
Mar 02, 2011	19.04	19.16	19.03	19.05	2,170,788	+0.03(+0.14%)
Mar 01, 2011	19.20	19.23	19.01	19.02	2,082,958	-0.08(-0.40%)
Feb 28, 2011	19.16	19.25	19.05	19.10	2,751,376	+0.03(+0.17%)
Feb 25, 2011	18.98	19.10	18.92	19.07	1,682,450	+0.23(+1.23%)
Feb 24, 2011	18.90	18.93	18.76	18.83	1,869,505	-0.05(-0.27%)
Feb 23, 2011	18.99	19.04	18.84	18.89	2,284,866	-0.02(-0.10%)
Feb 22, 2011	18.97	19.03	18.85	18.90	3,004,473	-0.10(-0.54%)
Feb 18, 2011	18.93	19.06	18.90	19.01	2,261,369	+0.22(+1.16%)
Feb 17, 2011	18.82	18.85	18.76	18.79	2,502,429	+0.14(+0.76%)
Feb 16, 2011	18.60	18.67	18.58	18.65	2,858,205	+0.07(+0.38%)
Feb 15, 2011	18.62	18.67	18.54	18.58	2,236,702	-0.01(-0.07%)
Feb 14, 2011	18.64	18.65	18.53	18.59	1,702,891	-0.03(-0.14%)
Feb 11, 2011	18.58	18.65	18.57	18.62	3,835,614	-0.24(-1.26%)
Feb 10, 2011	18.86	18.88	18.77	18.85	3,564,333	-0.11(-0.58%)
Feb 09, 2011	18.87	18.96	18.86	18.96	9,676,706	+0.13(+0.67%)
Feb 08, 2011	18.89	18.95	18.81	18.84	6,397,446	-0.06(-0.34%)
Feb 07, 2011	18.80	18.94	18.75	18.90	2,785,384	+0.06(+0.34%)
Feb 04, 2011	18.61	18.84	18.56	18.84	3,358,143	-0.10(-0.54%)
Feb 03, 2011	18.97	19.00	18.82	18.94	3,077,620	-0.13(-0.70%)
Feb 02, 2011	19.04	19.17	18.98	19.07	3,209,731	+0.31(+1.66%)

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