Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.83	22.85	22.39	22.44	3,135,972	-0.37(-1.63%)
May 23, 2011	22.72	22.89	22.61	22.81	1,587,940	-0.25(-1.08%)
May 20, 2011	22.94	23.17	22.90	23.06	3,447,624	-0.07(-0.28%)
May 19, 2011	22.80	23.17	22.75	23.12	2,259,806	+0.41(+1.81%)
May 18, 2011	22.45	22.78	22.31	22.71	2,893,008	+0.27(+1.19%)
May 17, 2011	22.60	22.64	22.34	22.45	2,915,803	-0.20(-0.87%)
May 16, 2011	22.51	22.83	22.45	22.64	2,748,984	+0.00(+0.00%)
May 13, 2011	22.90	22.96	22.52	22.64	3,641,901	-0.28(-1.20%)
May 12, 2011	22.87	22.96	22.56	22.92	2,457,287	+0.01(+0.07%)
May 11, 2011	23.14	23.23	22.87	22.90	3,056,444	-0.24(-1.05%)
May 10, 2011	23.18	23.29	23.10	23.15	2,947,781	+0.07(+0.32%)
May 09, 2011	22.98	23.10	22.82	23.07	2,244,427	+0.12(+0.51%)
May 06, 2011	22.96	23.09	22.80	22.96	3,526,735	+0.19(+0.85%)
May 05, 2011	22.62	22.93	22.45	22.76	2,872,271	+0.02(+0.08%)
May 04, 2011	23.08	23.26	22.56	22.74	2,881,420	-0.37(-1.61%)
May 03, 2011	23.34	23.37	22.94	23.11	3,354,500	-0.25(-1.08%)
May 02, 2011	23.39	23.40	23.36	23.37	1,952,854	+0.19(+0.80%)
Apr 29, 2011	23.05	23.23	22.94	23.18	2,056,597	+0.15(+0.65%)
Apr 28, 2011	22.50	23.08	22.45	23.03	3,746,249	+0.51(+2.25%)
Apr 27, 2011	22.58	22.78	22.28	22.52	2,899,071	+0.19(+0.87%)
Apr 26, 2011	22.17	22.60	22.13	22.33	2,416,615	+0.34(+1.55%)
Apr 25, 2011	21.98	22.00	21.84	21.99	1,311,345	+0.07(+0.30%)
Apr 21, 2011	22.13	22.19	21.91	21.92	2,861,141	+0.01(+0.04%)
Apr 20, 2011	22.11	22.13	21.74	21.91	2,943,802	+0.20(+0.92%)
Apr 19, 2011	21.58	21.77	21.57	21.71	2,006,541	+0.24(+1.10%)
Apr 18, 2011	21.52	21.55	21.22	21.48	2,501,441	-0.29(-1.32%)
Apr 15, 2011	21.59	21.93	21.51	21.76	3,255,986	+0.05(+0.23%)
Apr 14, 2011	21.82	21.88	21.63	21.71	2,357,480	-0.13(-0.59%)
Apr 13, 2011	22.23	22.23	21.76	21.84	2,344,820	-0.23(-1.04%)
Apr 12, 2011	21.88	22.17	21.88	22.07	2,333,886	-0.01(-0.03%)
Apr 11, 2011	22.16	22.29	21.99	22.08	1,538,468	-0.04(-0.18%)
Apr 08, 2011	22.45	22.54	21.97	22.12	3,101,689	-0.25(-1.10%)
Apr 07, 2011	22.47	22.58	22.29	22.36	1,648,451	-0.08(-0.36%)
Apr 06, 2011	22.66	22.66	22.32	22.44	1,803,849	-0.02(-0.08%)
Apr 05, 2011	22.69	22.75	22.45	22.46	3,506,802	-0.29(-1.28%)
Apr 04, 2011	22.75	22.91	22.69	22.75	1,857,479	+0.06(+0.25%)
Apr 01, 2011	22.74	22.86	22.63	22.69	2,571,185	+0.16(+0.72%)
Mar 31, 2011	22.37	22.62	22.33	22.53	2,891,017	+0.24(+1.07%)
Mar 30, 2011	22.30	22.32	22.29	22.29	2,066,471	+0.07(+0.31%)
Mar 29, 2011	22.16	22.36	22.11	22.22	2,806,369	+0.12(+0.56%)
Mar 28, 2011	22.14	22.28	22.01	22.10	2,523,931	+0.01(+0.05%)
Mar 25, 2011	22.06	22.30	22.03	22.09	2,366,048	+0.07(+0.30%)
Mar 24, 2011	22.18	22.19	21.90	22.02	3,441,842	+0.03(+0.15%)
Mar 23, 2011	21.92	22.10	21.87	21.99	2,292,937	+0.07(+0.30%)
Mar 22, 2011	22.07	22.31	21.92	21.93	2,760,912	-0.27(-1.20%)
Mar 21, 2011	22.22	22.25	22.11	22.19	2,693,677	+0.34(+1.56%)
Mar 18, 2011	21.84	22.04	21.75	21.85	2,802,814	+0.13(+0.62%)
Mar 17, 2011	21.72	21.82	21.55	21.72	2,931,834	+0.36(+1.67%)
Mar 16, 2011	21.52	21.63	21.08	21.36	4,938,890	-0.21(-0.97%)
Mar 15, 2011	21.61	21.84	21.55	21.57	4,928,378	-0.60(-2.70%)
Mar 14, 2011	22.11	22.23	21.87	22.17	3,613,909	-0.10(-0.47%)
Mar 11, 2011	21.90	22.31	21.90	22.27	3,043,941	+0.05(+0.23%)
Mar 10, 2011	22.20	22.24	21.87	22.22	4,544,433	-0.12(-0.52%)
Mar 09, 2011	22.41	22.47	22.21	22.34	4,695,008	-0.03(-0.15%)
Mar 08, 2011	22.15	22.42	22.11	22.37	3,646,571	+0.43(+1.98%)
Mar 07, 2011	22.19	22.25	21.76	21.94	4,264,145	+0.02(+0.11%)
Mar 04, 2011	21.89	21.99	21.79	21.91	5,513,376	+0.01(+0.07%)
Mar 03, 2011	21.66	21.94	21.53	21.90	5,612,417	+0.31(+1.44%)
Mar 02, 2011	21.34	21.67	21.34	21.59	2,647,825	+0.15(+0.72%)

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