Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	22.81	22.83	22.65	22.77	3,959,117	-0.01(-0.03%)
May 23, 2011	22.75	22.97	22.75	22.78	5,611,573	-0.20(-0.86%)
May 20, 2011	23.15	23.17	22.95	22.98	7,194,944	-0.20(-0.86%)
May 19, 2011	23.03	23.20	22.98	23.17	7,639,737	+0.19(+0.81%)
May 18, 2011	23.02	23.05	22.85	22.99	6,180,944	-0.06(-0.27%)
May 17, 2011	22.83	23.11	22.79	23.05	8,332,700	+0.19(+0.84%)
May 16, 2011	22.92	23.10	22.82	22.86	6,433,717	-0.13(-0.57%)
May 13, 2011	22.95	23.03	22.82	22.99	6,474,742	+0.04(+0.17%)
May 12, 2011	22.69	22.97	22.64	22.95	8,631,444	+0.24(+1.08%)
May 11, 2011	22.58	22.75	22.52	22.70	9,303,560	+0.05(+0.20%)
May 10, 2011	22.55	22.68	22.46	22.66	6,920,933	+0.11(+0.48%)
May 09, 2011	22.40	22.57	22.33	22.55	6,404,230	+0.12(+0.56%)
May 06, 2011	22.43	22.48	22.29	22.43	6,637,186	+0.12(+0.53%)
May 05, 2011	22.40	22.42	22.21	22.31	8,654,543	-0.13(-0.58%)
May 04, 2011	22.31	22.57	22.27	22.44	10,761,423	+0.13(+0.59%)
May 03, 2011	22.10	22.32	22.06	22.31	15,533,709	+0.14(+0.61%)
May 02, 2011	22.16	22.18	22.15	22.17	5,745,543	+0.01(+0.03%)
Apr 29, 2011	21.95	22.17	21.95	22.16	6,316,241	+0.11(+0.49%)
Apr 28, 2011	21.86	22.07	21.83	22.06	7,609,770	+0.23(+1.07%)
Apr 27, 2011	21.72	21.87	21.65	21.82	9,139,589	+0.16(+0.75%)
Apr 26, 2011	21.67	21.73	21.61	21.66	8,127,525	+0.05(+0.23%)
Apr 25, 2011	21.63	21.65	21.54	21.61	3,501,467	-0.02(-0.08%)
Apr 21, 2011	21.64	21.64	21.50	21.63	3,554,418	+0.04(+0.18%)
Apr 20, 2011	21.58	21.65	21.49	21.59	5,908,059	+0.17(+0.79%)
Apr 19, 2011	21.46	21.48	21.38	21.42	4,951,292	-0.05(-0.24%)
Apr 18, 2011	21.39	21.51	21.27	21.47	7,120,352	-0.03(-0.13%)
Apr 15, 2011	21.32	21.59	21.24	21.50	8,490,298	+0.27(+1.29%)
Apr 14, 2011	21.03	21.27	20.99	21.22	6,709,314	+0.15(+0.69%)
Apr 13, 2011	21.08	21.23	21.04	21.08	5,350,388	+0.06(+0.27%)
Apr 12, 2011	21.15	21.19	21.02	21.02	7,146,891	-0.17(-0.79%)
Apr 11, 2011	21.46	21.52	21.09	21.19	9,878,718	-0.35(-1.61%)
Apr 08, 2011	21.73	21.73	21.46	21.54	5,502,653	-0.17(-0.80%)
Apr 07, 2011	21.64	21.73	21.54	21.71	6,103,609	+0.02(+0.10%)
Apr 06, 2011	21.49	21.70	21.48	21.69	5,583,081	+0.23(+1.07%)
Apr 05, 2011	21.47	21.57	21.45	21.46	5,238,583	-0.03(-0.13%)
Apr 04, 2011	21.50	21.52	21.44	21.49	4,557,747	+0.00(+0.00%)
Apr 01, 2011	21.40	21.49	21.32	21.49	5,972,313	+0.11(+0.52%)
Mar 31, 2011	21.32	21.42	21.27	21.37	5,004,890	-0.01(-0.03%)
Mar 30, 2011	21.38	21.38	21.38	21.38	5,122,777	+0.24(+1.11%)
Mar 29, 2011	21.05	21.15	20.95	21.14	4,548,671	+0.08(+0.40%)
Mar 28, 2011	21.09	21.17	21.00	21.06	4,655,695	-0.02(-0.08%)
Mar 25, 2011	21.09	21.15	21.05	21.08	3,565,177	+0.02(+0.11%)
Mar 24, 2011	21.07	21.14	20.95	21.05	3,684,573	+0.03(+0.13%)
Mar 23, 2011	20.94	21.03	20.87	21.03	3,718,852	+0.06(+0.27%)
Mar 22, 2011	20.98	21.07	20.94	20.97	5,954,230	-0.02(-0.08%)
Mar 21, 2011	20.94	21.01	20.94	20.99	5,059,546	+0.24(+1.14%)
Mar 18, 2011	20.89	21.03	20.69	20.75	10,637,308	+0.07(+0.35%)
Mar 17, 2011	20.80	20.80	20.52	20.68	9,198,570	+0.03(+0.14%)
Mar 16, 2011	20.72	20.87	20.48	20.65	12,756,332	-0.11(-0.51%)
Mar 15, 2011	20.78	21.12	20.73	20.76	19,491,664	-0.36(-1.70%)
Mar 14, 2011	21.26	21.26	21.05	21.12	9,988,501	-0.35(-1.65%)
Mar 11, 2011	21.55	21.66	21.41	21.47	5,710,228	-0.07(-0.34%)
Mar 10, 2011	21.47	21.66	21.41	21.54	9,304,136	-0.06(-0.26%)
Mar 09, 2011	21.52	21.64	21.41	21.60	5,755,824	+0.07(+0.31%)
Mar 08, 2011	21.44	21.59	21.43	21.53	6,347,234	+0.18(+0.84%)
Mar 07, 2011	21.37	21.47	21.32	21.35	6,812,916	+0.06(+0.26%)
Mar 04, 2011	21.37	21.45	21.16	21.29	5,462,868	-0.13(-0.63%)
Mar 03, 2011	21.31	21.44	21.27	21.43	4,705,983	+0.21(+1.00%)
Mar 02, 2011	21.15	21.25	21.09	21.22	4,703,688	+0.07(+0.32%)

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