Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	20.95	21.30	20.90	21.17	486,266	+0.27(+1.29%)
May 23, 2011	20.86	21.00	20.67	20.90	430,501	-0.32(-1.51%)
May 20, 2011	20.40	21.44	20.36	21.22	806,499	+0.67(+3.26%)
May 19, 2011	20.22	20.61	20.22	20.55	409,890	+0.39(+1.93%)
May 18, 2011	19.33	20.21	19.32	20.16	954,094	+0.81(+4.19%)
May 17, 2011	19.50	19.83	19.20	19.35	213,803	-0.33(-1.68%)
May 16, 2011	19.71	19.89	19.61	19.68	258,871	-0.19(-0.96%)
May 13, 2011	20.20	20.31	19.83	19.87	313,127	-0.30(-1.49%)
May 12, 2011	20.10	20.39	19.93	20.17	436,382	+0.02(+0.10%)
May 11, 2011	20.30	20.53	20.06	20.15	414,106	-0.26(-1.27%)
May 10, 2011	20.15	20.44	20.09	20.41	284,551	+0.32(+1.59%)
May 09, 2011	20.26	20.61	19.87	20.09	1,430,044	-0.74(-3.55%)
May 06, 2011	20.72	21.07	20.61	20.83	933,946	+0.34(+1.66%)
May 05, 2011	20.40	20.82	20.40	20.49	274,497	-0.11(-0.53%)
May 04, 2011	21.31	21.44	20.46	20.60	579,405	-0.75(-3.51%)
May 03, 2011	21.68	21.76	20.78	21.35	343,265	-0.37(-1.70%)
May 02, 2011	21.80	22.40	21.70	21.72	324,122	-0.60(-2.69%)
Apr 29, 2011	22.45	22.70	22.23	22.32	368,509	-0.08(-0.36%)
Apr 28, 2011	22.01	22.82	22.01	22.40	886,576	+0.32(+1.45%)
Apr 27, 2011	21.87	22.28	21.70	22.08	473,767	+0.15(+0.68%)
Apr 26, 2011	21.85	22.01	21.71	21.93	288,098	+0.18(+0.83%)
Apr 25, 2011	21.80	21.82	21.66	21.75	198,629	+0.01(+0.05%)
Apr 21, 2011	21.94	21.99	21.69	21.74	338,471	-0.01(-0.05%)
Apr 20, 2011	21.77	22.04	21.69	21.75	237,561	+0.24(+1.12%)
Apr 19, 2011	21.63	21.66	21.34	21.51	343,070	+0.00(+0.00%)
Apr 18, 2011	21.57	21.66	21.27	21.51	285,731	-0.25(-1.15%)
Apr 15, 2011	21.51	21.79	20.94	21.76	329,293	+0.16(+0.74%)
Apr 14, 2011	21.81	22.05	21.41	21.60	410,219	-0.42(-1.91%)
Apr 13, 2011	21.87	22.07	21.65	22.02	543,755	+0.16(+0.73%)
Apr 12, 2011	21.47	21.94	21.29	21.86	426,651	+0.26(+1.20%)
Apr 11, 2011	21.41	21.63	21.31	21.60	359,141	+0.15(+0.70%)
Apr 08, 2011	21.95	22.14	21.40	21.45	419,357	+0.15(+0.70%)
Apr 07, 2011	21.20	21.58	21.02	21.30	207,142	+0.11(+0.52%)
Apr 06, 2011	21.44	21.50	21.14	21.19	249,810	-0.14(-0.66%)
Apr 05, 2011	21.03	21.42	20.97	21.33	740,993	+0.26(+1.23%)
Apr 04, 2011	21.10	21.34	21.00	21.07	161,365	+0.07(+0.33%)
Apr 01, 2011	20.60	21.33	20.30	21.00	1,035,540	+0.53(+2.59%)
Mar 31, 2011	20.59	20.64	20.40	20.47	164,047	-0.12(-0.58%)
Mar 30, 2011	20.52	20.64	20.24	20.59	242,013	+0.12(+0.59%)
Mar 29, 2011	20.28	20.61	20.04	20.47	175,826	+0.14(+0.69%)
Mar 28, 2011	20.56	20.70	20.26	20.33	215,475	-0.27(-1.31%)
Mar 25, 2011	20.54	20.97	20.42	20.60	265,443	+0.16(+0.78%)
Mar 24, 2011	20.61	20.63	20.32	20.44	173,737	-0.07(-0.34%)
Mar 23, 2011	20.57	20.67	20.14	20.51	248,854	-0.13(-0.63%)
Mar 22, 2011	20.90	20.97	20.56	20.64	181,007	-0.23(-1.10%)
Mar 21, 2011	20.80	21.02	20.67	20.87	434,512	+0.33(+1.61%)
Mar 18, 2011	20.00	20.54	19.81	20.54	723,005	+0.75(+3.79%)
Mar 17, 2011	19.78	19.90	19.68	19.79	432,554	+0.16(+0.82%)
Mar 16, 2011	20.06	20.11	19.61	19.63	325,710	-0.48(-2.39%)
Mar 15, 2011	19.68	20.32	18.74	20.11	400,193	-0.13(-0.64%)
Mar 14, 2011	20.16	20.44	20.04	20.24	283,094	-0.16(-0.78%)
Mar 11, 2011	20.52	20.61	20.11	20.40	296,662	-0.15(-0.73%)
Mar 10, 2011	20.73	20.90	20.51	20.55	436,531	-0.37(-1.77%)
Mar 09, 2011	21.05	21.14	20.72	20.92	320,482	-0.13(-0.62%)
Mar 08, 2011	20.62	21.14	20.26	21.05	388,039	+0.39(+1.89%)
Mar 07, 2011	21.16	21.27	20.48	20.66	351,247	-0.44(-2.09%)
Mar 04, 2011	21.36	21.42	20.98	21.10	434,175	-0.37(-1.72%)
Mar 03, 2011	21.11	21.57	20.78	21.47	574,381	+0.60(+2.87%)
Mar 02, 2011	20.50	21.00	20.37	20.87	348,396	+0.32(+1.56%)

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