Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.98	20.00	19.88	19.89	15,774	-0.03(-0.14%)
May 23, 2011	19.90	19.98	19.86	19.92	13,497	-0.26(-1.30%)
May 20, 2011	20.29	20.29	20.11	20.18	24,292	-0.14(-0.71%)
May 19, 2011	20.34	20.36	20.21	20.32	69,141	+0.04(+0.22%)
May 18, 2011	20.06	20.28	20.06	20.28	34,885	+0.24(+1.20%)
May 17, 2011	20.02	20.08	19.91	20.04	52,519	-0.06(-0.30%)
May 16, 2011	20.24	20.33	20.08	20.10	29,174	-0.19(-0.95%)
May 13, 2011	20.46	20.47	20.27	20.29	13,353	-0.17(-0.85%)
May 12, 2011	20.28	20.47	20.21	20.47	14,884	+0.11(+0.54%)
May 11, 2011	20.54	20.54	20.26	20.36	19,421	-0.20(-0.98%)
May 10, 2011	20.46	20.57	20.45	20.56	53,504	+0.17(+0.85%)
May 09, 2011	20.29	20.42	20.27	20.39	18,921	+0.13(+0.66%)
May 06, 2011	20.39	20.45	20.19	20.25	69,765	+0.08(+0.42%)
May 05, 2011	20.19	20.34	20.12	20.17	24,968	-0.14(-0.67%)
May 04, 2011	20.47	20.47	20.20	20.30	141,043	-0.15(-0.73%)
May 03, 2011	20.55	20.56	20.36	20.45	58,391	-0.13(-0.63%)
May 02, 2011	20.57	20.59	20.55	20.58	28,195	-0.05(-0.26%)
Apr 29, 2011	20.60	20.67	20.57	20.64	51,622	+0.04(+0.20%)
Apr 28, 2011	20.53	20.60	20.51	20.60	61,845	+0.04(+0.20%)
Apr 27, 2011	20.49	20.57	20.37	20.56	46,853	+0.12(+0.59%)
Apr 26, 2011	20.33	20.47	20.33	20.44	53,136	+0.17(+0.83%)
Apr 25, 2011	20.30	20.30	20.22	20.27	43,964	-0.04(-0.18%)
Apr 21, 2011	20.26	20.31	20.22	20.31	143,594	+0.15(+0.72%)
Apr 20, 2011	20.10	20.16	19.79	20.16	39,671	+0.37(+1.89%)
Apr 19, 2011	19.71	19.79	19.67	19.79	55,525	+0.09(+0.45%)
Apr 18, 2011	19.69	19.72	19.51	19.70	82,969	-0.21(-1.05%)
Apr 15, 2011	19.85	19.93	19.81	19.91	27,143	+0.06(+0.28%)
Apr 14, 2011	19.70	19.85	19.67	19.85	24,237	+0.02(+0.08%)
Apr 13, 2011	19.87	19.87	19.73	19.83	49,998	+0.07(+0.35%)
Apr 12, 2011	19.81	19.84	19.69	19.77	133,204	-0.16(-0.79%)
Apr 11, 2011	20.03	20.07	19.88	19.92	45,175	-0.08(-0.38%)
Apr 08, 2011	20.16	20.16	19.93	20.00	146,030	-0.09(-0.44%)
Apr 07, 2011	20.10	20.20	20.02	20.09	86,430	-0.04(-0.22%)
Apr 06, 2011	20.20	20.23	20.06	20.13	48,469	+0.02(+0.10%)
Apr 05, 2011	20.06	20.20	20.06	20.11	36,195	+0.04(+0.18%)
Apr 04, 2011	20.12	20.12	20.03	20.08	51,796	+0.00(+0.02%)
Apr 01, 2011	20.08	20.15	20.02	20.07	110,200	+0.07(+0.36%)
Mar 31, 2011	19.97	20.02	19.94	20.00	40,230	+0.02(+0.08%)
Mar 30, 2011	19.94	20.01	19.91	19.98	23,290	+0.15(+0.77%)
Mar 29, 2011	19.67	19.83	19.63	19.83	28,041	+0.14(+0.69%)
Mar 28, 2011	19.77	19.83	19.69	19.69	27,270	-0.05(-0.24%)
Mar 25, 2011	19.71	19.84	19.69	19.74	241,654	+0.08(+0.41%)
Mar 24, 2011	19.51	19.69	19.50	19.66	49,630	+0.21(+1.10%)
Mar 23, 2011	19.30	19.49	19.22	19.45	72,022	+0.10(+0.50%)
Mar 22, 2011	19.44	19.44	19.33	19.35	52,526	-0.06(-0.31%)
Mar 21, 2011	19.43	19.45	19.38	19.41	127,421	+0.34(+1.78%)
Mar 18, 2011	19.24	19.26	19.05	19.07	23,524	+0.04(+0.20%)
Mar 17, 2011	19.12	19.13	18.97	19.03	76,171	+0.16(+0.87%)
Mar 16, 2011	19.12	19.18	18.73	18.87	72,635	-0.33(-1.73%)
Mar 15, 2011	19.13	19.28	19.08	19.20	135,848	-0.21(-1.07%)
Mar 14, 2011	19.38	19.42	19.25	19.41	220,060	-0.13(-0.66%)
Mar 11, 2011	19.30	19.57	19.29	19.54	48,350	+0.16(+0.83%)
Mar 10, 2011	19.56	19.56	19.37	19.38	318,896	-0.37(-1.85%)
Mar 09, 2011	19.78	19.80	19.67	19.74	14,446	-0.06(-0.30%)
Mar 08, 2011	19.70	19.87	19.58	19.80	49,001	+0.12(+0.61%)
Mar 07, 2011	19.94	19.97	19.56	19.68	78,973	-0.21(-1.05%)
Mar 04, 2011	20.02	20.02	19.77	19.89	156,730	-0.11(-0.54%)
Mar 03, 2011	19.92	20.03	19.91	20.00	96,992	+0.36(+1.84%)
Mar 02, 2011	19.54	19.71	19.54	19.64	85,286	+0.06(+0.29%)

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