Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.32	21.40	20.88	21.23	388,946	+0.02(+0.08%)
May 23, 2011	21.34	21.45	21.11	21.21	307,689	-0.25(-1.16%)
May 20, 2011	21.74	21.77	21.45	21.46	346,634	-0.45(-2.04%)
May 19, 2011	22.12	22.15	21.73	21.90	337,184	-0.07(-0.30%)
May 18, 2011	21.81	22.15	21.61	21.97	313,486	+0.20(+0.90%)
May 17, 2011	21.67	21.98	21.59	21.77	186,032	-0.08(-0.35%)
May 16, 2011	21.90	22.14	21.71	21.85	242,534	-0.19(-0.86%)
May 13, 2011	22.53	22.53	21.92	22.04	165,175	-0.47(-2.09%)
May 12, 2011	22.26	22.56	22.05	22.51	271,641	+0.19(+0.85%)
May 11, 2011	22.73	22.73	22.06	22.32	357,389	-0.37(-1.65%)
May 10, 2011	22.18	22.78	22.18	22.69	563,626	+0.61(+2.75%)
May 09, 2011	21.88	22.12	21.68	22.09	206,131	+0.23(+1.03%)
May 06, 2011	22.34	22.34	21.71	21.86	238,381	-0.15(-0.68%)
May 05, 2011	21.89	22.26	21.64	22.01	345,671	+0.03(+0.14%)
May 04, 2011	22.47	22.56	21.95	21.98	377,940	-0.48(-2.12%)
May 03, 2011	22.51	22.83	22.22	22.46	321,917	-0.17(-0.74%)
May 02, 2011	22.65	23.14	22.50	22.62	280,983	-0.36(-1.58%)
Apr 29, 2011	23.17	23.28	22.75	22.99	344,778	-0.07(-0.31%)
Apr 28, 2011	23.10	23.27	22.93	23.06	391,489	-0.10(-0.44%)
Apr 27, 2011	23.54	23.54	22.90	23.16	692,403	-0.48(-2.04%)
Apr 26, 2011	23.19	23.75	23.06	23.64	515,613	+0.45(+1.95%)
Apr 25, 2011	23.05	23.19	22.91	23.19	212,285	+0.02(+0.08%)
Apr 21, 2011	23.37	23.62	23.03	23.17	235,683	+0.03(+0.13%)
Apr 20, 2011	23.35	23.40	23.01	23.14	277,152	+0.17(+0.72%)
Apr 19, 2011	22.92	23.21	22.74	22.97	184,742	+0.11(+0.49%)
Apr 18, 2011	22.90	22.91	22.59	22.86	311,338	-0.33(-1.44%)
Apr 15, 2011	22.98	23.19	22.91	23.19	513,734	+0.14(+0.62%)
Apr 14, 2011	22.81	23.16	22.47	23.05	279,670	+0.14(+0.60%)
Apr 13, 2011	23.27	23.33	22.64	22.91	368,741	-0.14(-0.59%)
Apr 12, 2011	23.41	23.66	23.05	23.05	331,634	-0.57(-2.42%)
Apr 11, 2011	23.46	23.82	23.19	23.62	302,623	+0.11(+0.46%)
Apr 08, 2011	24.09	24.19	23.36	23.52	414,462	-0.58(-2.39%)
Apr 07, 2011	24.14	24.22	23.93	24.09	426,529	+0.02(+0.07%)
Apr 06, 2011	24.16	24.33	24.03	24.07	318,789	-0.02(-0.07%)
Apr 05, 2011	24.15	24.23	23.98	24.09	354,021	-0.02(-0.07%)
Apr 04, 2011	24.25	24.33	24.05	24.11	350,572	+0.00(+0.00%)
Apr 01, 2011	24.09	24.34	23.97	24.11	430,490	+0.21(+0.87%)
Mar 31, 2011	23.65	24.00	23.65	23.90	627,151	+0.30(+1.26%)
Mar 30, 2011	23.60	23.76	23.52	23.60	566,498	+0.09(+0.38%)
Mar 29, 2011	23.20	23.60	23.06	23.52	382,666	+0.28(+1.20%)
Mar 28, 2011	22.99	23.34	22.98	23.24	245,776	+0.27(+1.19%)
Mar 25, 2011	23.19	23.53	22.81	22.96	360,656	-0.06(-0.26%)
Mar 24, 2011	22.64	23.18	22.46	23.02	492,791	+0.50(+2.22%)
Mar 23, 2011	22.40	22.65	22.21	22.52	356,408	+0.04(+0.19%)
Mar 22, 2011	22.81	22.87	22.44	22.48	288,816	-0.24(-1.07%)
Mar 21, 2011	22.81	22.92	22.45	22.72	498,153	+0.34(+1.54%)
Mar 18, 2011	22.58	22.76	22.26	22.38	1,015,652	+0.12(+0.53%)
Mar 17, 2011	22.67	22.67	22.21	22.26	389,728	-0.01(-0.05%)
Mar 16, 2011	22.77	22.77	22.16	22.27	539,635	-0.45(-1.99%)
Mar 15, 2011	22.30	23.18	22.30	22.72	1,019,328	-0.07(-0.29%)
Mar 14, 2011	22.39	22.88	22.27	22.79	548,366	+0.27(+1.19%)
Mar 11, 2011	21.79	22.59	21.79	22.52	344,482	+0.71(+3.27%)
Mar 10, 2011	22.06	22.31	21.59	21.81	478,524	-0.59(-2.63%)
Mar 09, 2011	22.47	22.59	22.15	22.40	217,304	-0.07(-0.32%)
Mar 08, 2011	21.97	22.71	21.73	22.47	312,874	+0.53(+2.41%)
Mar 07, 2011	22.23	22.35	21.74	21.94	316,374	-0.28(-1.26%)
Mar 04, 2011	22.39	22.43	21.88	22.22	330,397	-0.24(-1.06%)
Mar 03, 2011	22.35	22.56	22.33	22.46	261,077	+0.34(+1.53%)
Mar 02, 2011	21.96	22.25	21.84	22.12	385,204	-0.11(-0.48%)

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