Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	19.82	20.14	19.63	19.89	225,783	+0.13(+0.66%)
May 23, 2011	19.45	19.95	19.32	19.76	149,475	-0.37(-1.84%)
May 20, 2011	19.95	20.27	19.89	20.13	174,956	+0.02(+0.10%)
May 19, 2011	20.03	20.20	19.59	20.11	159,903	+0.02(+0.10%)
May 18, 2011	20.25	20.30	19.86	20.09	180,333	+0.03(+0.15%)
May 17, 2011	19.50	20.13	19.10	20.06	350,698	+0.42(+2.14%)
May 16, 2011	20.43	20.62	19.11	19.64	407,375	-1.09(-5.26%)
May 13, 2011	20.80	21.27	20.50	20.73	278,622	-0.06(-0.29%)
May 12, 2011	20.50	20.99	20.31	20.79	334,889	+0.22(+1.07%)
May 11, 2011	20.25	20.74	20.08	20.57	399,926	+0.13(+0.64%)
May 10, 2011	20.40	20.48	20.02	20.44	338,994	+0.18(+0.89%)
May 09, 2011	19.80	20.28	18.99	20.26	896,452	-0.58(-2.78%)
May 06, 2011	21.19	21.19	20.61	20.84	142,263	+0.12(+0.58%)
May 05, 2011	21.06	21.45	20.42	20.72	259,504	-0.51(-2.40%)
May 04, 2011	20.59	21.37	19.74	21.23	197,620	+0.44(+2.12%)
May 03, 2011	21.55	21.88	20.51	20.79	169,651	-0.88(-4.06%)
May 02, 2011	21.67	21.68	21.52	21.67	341,148	+0.09(+0.42%)
Apr 29, 2011	21.44	21.87	20.91	21.58	206,657	+0.40(+1.89%)
Apr 28, 2011	18.88	21.59	18.88	21.18	749,219	+2.32(+12.30%)
Apr 27, 2011	19.53	19.53	18.52	18.86	452,040	-0.75(-3.82%)
Apr 26, 2011	19.71	19.71	19.26	19.61	62,254	-0.01(-0.05%)
Apr 25, 2011	19.81	19.92	19.28	19.62	60,647	-0.29(-1.46%)
Apr 21, 2011	20.25	20.25	19.69	19.91	96,673	-0.14(-0.70%)
Apr 20, 2011	19.60	20.47	19.46	20.05	199,544	+0.71(+3.67%)
Apr 19, 2011	20.23	20.23	19.04	19.34	183,151	-0.76(-3.78%)
Apr 18, 2011	20.04	20.46	20.04	20.10	99,945	-0.45(-2.19%)
Apr 15, 2011	20.45	20.59	20.09	20.55	132,236	-0.04(-0.19%)
Apr 14, 2011	20.41	20.91	20.31	20.59	183,688	-0.21(-1.01%)
Apr 13, 2011	19.61	20.90	19.42	20.80	395,906	+1.34(+6.89%)
Apr 12, 2011	18.79	19.58	18.19	19.46	152,849	+0.42(+2.21%)
Apr 11, 2011	20.29	20.47	18.90	19.04	249,443	-1.33(-6.53%)
Apr 08, 2011	22.30	22.35	20.05	20.37	300,332	-1.70(-7.70%)
Apr 07, 2011	22.07	22.61	21.90	22.07	188,814	+0.10(+0.46%)
Apr 06, 2011	21.93	22.13	21.56	21.97	139,233	+0.32(+1.48%)
Apr 05, 2011	21.21	21.68	20.93	21.65	125,860	+0.46(+2.17%)
Apr 04, 2011	21.11	21.57	20.32	21.19	412,180	+0.18(+0.86%)
Apr 01, 2011	21.57	21.85	21.00	21.01	1,943,862	+0.00(+0.00%)
Mar 31, 2011	20.56	21.83	20.56	21.01	213,345	-0.01(-0.05%)
Mar 30, 2011	21.19	21.38	20.49	21.02	130,812	-0.07(-0.33%)
Mar 29, 2011	20.31	21.23	20.00	21.09	132,317	+0.55(+2.68%)
Mar 28, 2011	21.44	21.65	20.44	20.54	135,542	-0.97(-4.51%)
Mar 25, 2011	22.35	22.54	12.52	21.51	210,096	-0.89(-3.97%)
Mar 24, 2011	22.46	22.61	22.10	22.40	56,488	+0.35(+1.59%)
Mar 23, 2011	22.27	22.42	22.00	22.05	33,155	-0.23(-1.03%)
Mar 22, 2011	22.53	22.76	22.10	22.28	46,116	-0.19(-0.85%)
Mar 21, 2011	23.23	23.34	22.27	22.47	116,864	+0.93(+4.32%)
Mar 18, 2011	21.78	21.90	21.29	21.54	85,576	-0.02(-0.09%)
Mar 17, 2011	20.92	21.65	20.45	21.56	62,300	+1.15(+5.63%)
Mar 16, 2011	21.00	21.44	20.36	20.41	96,529	-0.64(-3.04%)
Mar 15, 2011	21.66	22.24	20.99	21.05	308,944	-1.19(-5.35%)
Mar 14, 2011	21.12	22.42	20.83	22.24	85,986	+0.87(+4.07%)
Mar 11, 2011	20.66	21.53	20.32	21.37	167,548	+0.83(+4.04%)
Mar 10, 2011	22.59	23.07	20.35	20.54	211,798	-2.53(-10.97%)
Mar 09, 2011	24.61	24.72	22.51	23.07	219,865	-1.71(-6.90%)
Mar 08, 2011	24.49	25.10	24.10	24.78	65,423	+0.25(+1.02%)
Mar 07, 2011	25.35	25.35	24.00	24.53	114,364	-1.07(-4.18%)
Mar 04, 2011	25.30	26.24	25.22	25.60	165,973	+0.11(+0.43%)
Mar 03, 2011	23.00	25.52	22.92	25.49	192,128	+2.64(+11.55%)
Mar 02, 2011	22.11	22.98	21.60	22.85	89,724	+0.76(+3.44%)

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