Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.74	18.84	18.62	18.78	850,578	+0.10(+0.53%)
May 23, 2011	18.82	18.95	18.68	18.68	1,006,639	-0.45(-2.35%)
May 20, 2011	19.27	19.35	19.10	19.13	764,108	-0.27(-1.37%)
May 19, 2011	19.44	19.50	19.12	19.40	1,050,668	+0.07(+0.34%)
May 18, 2011	19.01	19.38	18.89	19.33	578,835	+0.27(+1.44%)
May 17, 2011	18.83	19.14	18.81	19.06	1,065,574	+0.17(+0.88%)
May 16, 2011	18.96	19.17	18.86	18.89	683,875	-0.17(-0.87%)
May 13, 2011	19.25	19.26	19.02	19.06	815,384	-0.13(-0.69%)
May 12, 2011	18.67	19.26	18.67	19.19	1,138,219	+0.47(+2.53%)
May 11, 2011	19.04	19.06	18.63	18.72	625,807	-0.42(-2.17%)
May 10, 2011	18.75	19.15	18.62	19.13	880,295	+0.38(+2.04%)
May 09, 2011	18.54	18.83	18.46	18.75	687,622	+0.18(+0.98%)
May 06, 2011	18.73	18.85	18.52	18.57	758,797	-0.01(-0.04%)
May 05, 2011	18.53	18.73	18.44	18.58	1,059,730	-0.07(-0.36%)
May 04, 2011	18.66	18.70	18.46	18.64	1,461,335	+0.01(+0.04%)
May 03, 2011	18.52	18.67	18.44	18.63	979,858	+0.02(+0.13%)
May 02, 2011	18.59	18.75	18.38	18.61	902,978	+0.04(+0.22%)
Apr 29, 2011	18.58	18.63	18.42	18.57	1,276,885	+0.07(+0.36%)
Apr 28, 2011	18.35	18.64	18.27	18.50	1,237,815	+0.06(+0.32%)
Apr 27, 2011	19.27	19.27	18.20	18.44	2,233,943	-0.73(-3.81%)
Apr 26, 2011	19.05	19.27	19.01	19.17	940,841	+0.14(+0.74%)
Apr 25, 2011	19.20	19.21	18.94	19.03	433,540	-0.15(-0.78%)
Apr 21, 2011	19.04	19.21	18.92	19.18	683,983	+0.21(+1.10%)
Apr 20, 2011	18.98	19.12	18.78	18.97	908,562	+0.22(+1.15%)
Apr 19, 2011	18.75	18.90	18.64	18.76	588,987	+0.03(+0.18%)
Apr 18, 2011	19.04	19.12	18.67	18.73	900,154	-0.61(-3.14%)
Apr 15, 2011	19.28	19.42	19.22	19.33	418,491	+0.12(+0.62%)
Apr 14, 2011	19.22	19.38	19.11	19.21	558,711	-0.03(-0.14%)
Apr 13, 2011	19.39	19.48	19.17	19.24	871,833	-0.02(-0.09%)
Apr 12, 2011	19.42	19.53	19.17	19.26	1,026,595	-0.17(-0.90%)
Apr 11, 2011	19.51	19.71	19.39	19.43	755,065	-0.17(-0.85%)
Apr 08, 2011	19.82	19.95	19.50	19.60	719,642	-0.27(-1.38%)
Apr 07, 2011	19.91	19.96	19.76	19.87	520,738	-0.04(-0.21%)
Apr 06, 2011	19.96	20.02	19.83	19.91	465,639	-0.02(-0.12%)
Apr 05, 2011	19.91	19.96	19.81	19.94	1,076,641	+0.02(+0.08%)
Apr 04, 2011	19.96	20.01	19.86	19.92	858,158	-0.02(-0.08%)
Apr 01, 2011	19.86	20.15	19.86	19.94	803,795	+0.09(+0.46%)
Mar 31, 2011	19.66	19.90	19.51	19.85	795,683	+0.22(+1.14%)
Mar 30, 2011	19.48	19.73	19.42	19.62	678,256	+0.21(+1.07%)
Mar 29, 2011	19.34	19.52	19.20	19.42	557,959	+0.14(+0.73%)
Mar 28, 2011	19.29	19.46	19.23	19.27	581,659	-0.01(-0.04%)
Mar 25, 2011	19.02	19.42	18.97	19.28	790,823	+0.27(+1.42%)
Mar 24, 2011	19.12	19.12	18.93	19.01	1,013,765	-0.05(-0.24%)
Mar 23, 2011	18.77	19.09	18.59	19.06	587,959	+0.20(+1.06%)
Mar 22, 2011	18.81	18.97	18.78	18.86	711,010	+0.05(+0.27%)
Mar 21, 2011	18.87	18.91	18.65	18.81	510,007	+0.30(+1.62%)
Mar 18, 2011	18.44	18.62	18.43	18.51	742,252	+0.25(+1.37%)
Mar 17, 2011	18.54	18.54	18.24	18.26	537,110	+0.00(+0.00%)
Mar 16, 2011	18.33	18.58	18.23	18.26	1,039,233	-0.13(-0.72%)
Mar 15, 2011	18.04	18.53	17.88	18.39	859,011	-0.12(-0.67%)
Mar 14, 2011	18.51	18.75	18.41	18.52	902,477	-0.17(-0.89%)
Mar 11, 2011	18.43	18.74	18.38	18.68	590,277	+0.16(+0.85%)
Mar 10, 2011	18.61	18.78	18.36	18.53	1,091,587	-0.30(-1.59%)
Mar 09, 2011	19.15	19.15	18.74	18.83	799,143	-0.31(-1.61%)
Mar 08, 2011	18.64	19.17	18.64	19.13	798,957	+0.48(+2.58%)
Mar 07, 2011	18.82	18.93	18.60	18.65	855,404	-0.02(-0.13%)
Mar 04, 2011	19.04	19.10	18.63	18.68	1,253,262	-0.39(-2.05%)
Mar 03, 2011	18.73	19.15	18.73	19.07	1,045,583	+0.44(+2.37%)
Mar 02, 2011	18.75	18.94	18.57	18.63	1,016,914	-0.07(-0.40%)

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