Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.47	21.52	21.22	21.34	417,370	+0.01(+0.05%)
May 23, 2011	20.99	21.43	20.99	21.33	423,419	-0.22(-1.02%)
May 20, 2011	21.80	21.90	21.51	21.55	457,719	-0.27(-1.24%)
May 19, 2011	22.08	22.14	21.75	21.82	736,026	-0.29(-1.31%)
May 18, 2011	21.51	22.17	21.38	22.11	825,637	+0.68(+3.17%)
May 17, 2011	21.13	21.53	21.12	21.43	457,909	+0.17(+0.80%)
May 16, 2011	21.17	21.44	21.14	21.26	400,916	-0.05(-0.23%)
May 13, 2011	21.45	21.59	21.11	21.31	430,146	-0.13(-0.61%)
May 12, 2011	21.17	21.44	20.99	21.44	253,303	+0.26(+1.23%)
May 11, 2011	21.31	21.37	20.97	21.18	300,560	-0.22(-1.03%)
May 10, 2011	21.29	21.44	21.24	21.40	514,973	+0.26(+1.23%)
May 09, 2011	20.93	21.64	20.87	21.14	873,065	+0.29(+1.39%)
May 06, 2011	20.90	21.12	20.80	20.85	298,989	+0.19(+0.92%)
May 05, 2011	20.62	20.84	20.56	20.66	365,283	-0.02(-0.10%)
May 04, 2011	20.93	21.17	20.56	20.68	612,863	-0.82(-3.81%)
May 03, 2011	21.33	21.63	21.25	21.50	409,767	+0.20(+0.94%)
May 02, 2011	21.30	21.31	21.28	21.30	337,762	-0.06(-0.28%)
Apr 29, 2011	21.26	21.45	21.12	21.36	274,617	-0.03(-0.14%)
Apr 28, 2011	21.10	21.39	21.08	21.39	519,042	+0.18(+0.85%)
Apr 27, 2011	21.55	21.68	21.05	21.21	356,468	-0.10(-0.47%)
Apr 26, 2011	21.20	21.33	21.12	21.31	603,052	+0.19(+0.90%)
Apr 25, 2011	20.97	21.23	20.88	21.12	279,424	+0.21(+1.00%)
Apr 21, 2011	20.82	20.96	20.56	20.91	226,886	+0.04(+0.19%)
Apr 20, 2011	20.91	20.91	20.62	20.87	402,110	+0.41(+2.00%)
Apr 19, 2011	20.64	21.06	20.33	20.46	305,699	+0.00(+0.00%)
Apr 18, 2011	20.49	20.67	20.32	20.46	346,162	-0.41(-1.96%)
Apr 15, 2011	20.83	20.93	20.75	20.87	236,622	+0.09(+0.43%)
Apr 14, 2011	20.63	20.79	20.55	20.78	418,351	-0.01(-0.05%)
Apr 13, 2011	20.80	20.88	20.69	20.79	316,872	+0.15(+0.73%)
Apr 12, 2011	20.76	20.88	20.56	20.64	350,784	-0.23(-1.10%)
Apr 11, 2011	21.17	21.24	20.79	20.87	409,063	-0.27(-1.28%)
Apr 08, 2011	21.31	21.33	21.00	21.14	418,341	-0.12(-0.56%)
Apr 07, 2011	21.35	21.44	21.20	21.26	269,399	+0.00(+0.00%)
Apr 06, 2011	21.45	21.52	21.17	21.26	432,740	-0.04(-0.19%)
Apr 05, 2011	21.23	21.46	21.15	21.30	597,273	-0.13(-0.61%)
Apr 04, 2011	21.32	21.53	21.27	21.43	652,136	+0.00(+0.00%)
Apr 01, 2011	20.78	21.43	20.76	21.43	763,846	+0.61(+2.93%)
Mar 31, 2011	20.60	20.98	20.56	20.82	591,102	+0.14(+0.68%)
Mar 30, 2011	20.66	20.69	20.65	20.68	366,700	+0.24(+1.17%)
Mar 29, 2011	20.73	20.75	20.41	20.44	724,427	-0.38(-1.83%)
Mar 28, 2011	20.79	20.93	20.66	20.82	752,017	-0.02(-0.10%)
Mar 25, 2011	20.78	20.91	20.70	20.84	1,032,287	+0.19(+0.92%)
Mar 24, 2011	20.30	20.67	20.28	20.65	994,989	+0.50(+2.48%)
Mar 23, 2011	19.74	20.20	19.57	20.15	1,183,456	+0.41(+2.08%)
Mar 22, 2011	19.56	19.77	19.19	19.74	794,219	+0.26(+1.33%)
Mar 21, 2011	19.18	19.48	19.18	19.48	540,506	+0.61(+3.23%)
Mar 18, 2011	19.01	19.25	18.87	18.87	788,666	-0.16(-0.84%)
Mar 17, 2011	19.39	19.39	19.03	19.03	495,403	-0.06(-0.31%)
Mar 16, 2011	19.34	19.47	18.89	19.09	495,381	-0.21(-1.09%)
Mar 15, 2011	19.31	19.41	19.26	19.30	554,400	-0.30(-1.53%)
Mar 14, 2011	19.47	19.61	19.26	19.60	500,190	+0.09(+0.46%)
Mar 11, 2011	19.60	19.60	19.38	19.51	434,836	-0.17(-0.86%)
Mar 10, 2011	19.83	19.89	19.59	19.68	610,560	-0.47(-2.33%)
Mar 09, 2011	20.35	20.35	20.10	20.15	455,822	-0.03(-0.15%)
Mar 08, 2011	20.15	20.26	20.05	20.18	1,024,719	-0.10(-0.49%)
Mar 07, 2011	20.50	20.60	20.12	20.28	599,670	-0.12(-0.59%)
Mar 04, 2011	20.25	20.47	20.22	20.40	633,354	+0.12(+0.59%)
Mar 03, 2011	20.25	20.46	20.11	20.28	665,902	+0.36(+1.81%)
Mar 02, 2011	20.09	20.23	19.83	19.92	670,792	-0.23(-1.14%)

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