Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.01	21.17	21.01	21.11	286,091	+0.44(+2.11%)
May 23, 2011	20.50	20.72	20.50	20.68	57,552	-0.25(-1.18%)
May 20, 2011	20.96	21.11	20.76	20.92	87,918	+0.07(+0.35%)
May 19, 2011	20.89	20.89	20.72	20.85	26,007	-0.05(-0.23%)
May 18, 2011	20.79	20.90	20.74	20.90	25,587	+0.20(+0.97%)
May 17, 2011	20.44	20.72	20.41	20.70	22,810	+0.19(+0.92%)
May 16, 2011	20.51	20.73	20.50	20.51	27,099	+0.07(+0.35%)
May 13, 2011	20.77	20.77	20.36	20.44	19,889	-0.43(-2.08%)
May 12, 2011	20.70	20.97	20.57	20.87	28,241	+0.31(+1.49%)
May 11, 2011	20.83	20.83	20.52	20.57	35,612	-0.25(-1.22%)
May 10, 2011	20.72	20.85	20.64	20.82	26,647	+0.17(+0.82%)
May 09, 2011	20.53	20.66	20.43	20.65	8,101	+0.18(+0.86%)
May 06, 2011	20.60	20.75	20.40	20.48	40,398	+0.40(+2.01%)
May 05, 2011	20.14	20.25	19.99	20.07	31,639	-0.23(-1.15%)
May 04, 2011	20.57	20.57	20.14	20.31	87,679	-0.11(-0.54%)
May 03, 2011	20.50	20.62	20.34	20.42	75,202	-0.29(-1.41%)
May 02, 2011	20.74	20.74	20.69	20.71	122,297	-0.32(-1.55%)
Apr 29, 2011	20.89	21.09	20.83	21.03	25,619	+0.27(+1.31%)
Apr 28, 2011	20.68	20.76	20.53	20.76	19,684	-0.10(-0.46%)
Apr 27, 2011	20.82	20.87	20.57	20.86	63,073	+0.08(+0.40%)
Apr 26, 2011	20.62	20.79	20.59	20.77	40,904	+0.29(+1.43%)
Apr 25, 2011	20.54	20.54	20.42	20.48	19,452	-0.10(-0.51%)
Apr 21, 2011	20.53	20.60	20.49	20.59	28,059	+0.20(+0.96%)
Apr 20, 2011	20.30	20.51	20.30	20.39	35,493	+0.44(+2.19%)
Apr 19, 2011	19.99	19.99	19.87	19.95	24,822	+0.02(+0.09%)
Apr 18, 2011	20.05	20.05	19.65	19.94	140,085	-0.43(-2.11%)
Apr 15, 2011	20.25	20.38	20.18	20.36	186,308	+0.25(+1.23%)
Apr 14, 2011	19.94	20.13	19.90	20.12	44,079	+0.14(+0.72%)
Apr 13, 2011	20.11	20.11	19.93	19.97	17,258	+0.14(+0.69%)
Apr 12, 2011	19.91	19.91	19.78	19.84	32,392	+0.03(+0.13%)
Apr 11, 2011	19.93	19.96	19.76	19.81	39,319	+0.12(+0.63%)
Apr 08, 2011	19.84	19.95	19.68	19.69	45,290	-0.04(-0.22%)
Apr 07, 2011	19.76	19.84	19.60	19.73	59,850	-0.09(-0.44%)
Apr 06, 2011	19.74	19.88	19.73	19.82	27,616	+0.16(+0.81%)
Apr 05, 2011	19.57	19.75	19.57	19.66	23,127	+0.06(+0.31%)
Apr 04, 2011	19.53	19.64	19.47	19.60	294,980	+0.02(+0.10%)
Apr 01, 2011	19.49	19.65	19.45	19.58	94,101	+0.20(+1.04%)
Mar 31, 2011	19.33	19.47	19.32	19.38	78,101	+0.05(+0.27%)
Mar 30, 2011	19.21	19.34	19.19	19.32	19,466	+0.12(+0.61%)
Mar 29, 2011	18.91	19.21	18.91	19.21	22,798	+0.31(+1.65%)
Mar 28, 2011	18.85	19.03	18.85	18.90	37,392	+0.12(+0.66%)
Mar 25, 2011	18.83	18.90	18.74	18.77	94,430	-0.07(-0.35%)
Mar 24, 2011	18.70	18.88	18.66	18.84	98,605	+0.32(+1.72%)
Mar 23, 2011	18.22	18.53	18.22	18.52	26,079	+0.22(+1.19%)
Mar 22, 2011	18.36	18.36	18.23	18.30	14,612	+0.13(+0.72%)
Mar 21, 2011	18.13	18.18	18.12	18.17	40,142	+0.26(+1.46%)
Mar 18, 2011	17.82	17.95	17.81	17.91	25,846	+0.25(+1.44%)
Mar 17, 2011	17.76	17.78	17.59	17.65	61,416	+0.05(+0.30%)
Mar 16, 2011	17.88	17.89	17.47	17.60	129,362	-0.40(-2.20%)
Mar 15, 2011	17.88	18.02	17.88	18.00	131,667	-0.29(-1.60%)
Mar 14, 2011	18.15	18.32	18.11	18.29	78,901	-0.27(-1.45%)
Mar 11, 2011	18.30	18.63	18.30	18.56	284,538	+0.24(+1.33%)
Mar 10, 2011	18.29	18.41	18.25	18.32	87,647	-0.23(-1.26%)
Mar 09, 2011	18.61	18.63	18.51	18.55	40,515	-0.12(-0.63%)
Mar 08, 2011	18.53	18.72	18.49	18.67	53,476	+0.09(+0.49%)
Mar 07, 2011	18.76	18.77	18.49	18.58	32,319	-0.00(-0.01%)
Mar 04, 2011	18.68	18.68	18.46	18.58	126,116	-0.18(-0.96%)
Mar 03, 2011	18.80	18.80	18.69	18.76	78,701	+0.11(+0.59%)
Mar 02, 2011	18.53	18.69	18.53	18.65	59,181	+0.12(+0.67%)

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