Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.55	21.55	21.24	21.35	330,710	-0.12(-0.58%)
May 23, 2011	21.37	21.66	21.30	21.48	492,257	-0.38(-1.73%)
May 20, 2011	21.84	22.12	21.84	21.86	294,055	-0.09(-0.39%)
May 19, 2011	22.26	22.26	21.77	21.94	270,567	-0.16(-0.70%)
May 18, 2011	22.02	22.18	21.87	22.10	392,987	+0.05(+0.22%)
May 17, 2011	21.70	22.10	21.61	22.05	532,488	+0.34(+1.56%)
May 16, 2011	21.84	22.00	21.64	21.71	384,013	-0.18(-0.82%)
May 13, 2011	22.11	22.19	21.84	21.89	439,413	-0.27(-1.21%)
May 12, 2011	21.66	22.20	21.57	22.16	485,371	+0.45(+2.06%)
May 11, 2011	21.74	21.81	21.55	21.71	570,391	-0.03(-0.13%)
May 10, 2011	21.59	21.75	21.43	21.74	509,836	+0.30(+1.38%)
May 09, 2011	21.93	21.93	21.33	21.44	538,810	-0.49(-2.23%)
May 06, 2011	22.36	22.36	21.80	21.93	567,833	-0.18(-0.81%)
May 05, 2011	22.14	22.44	21.96	22.11	381,708	-0.12(-0.53%)
May 04, 2011	22.39	22.41	22.14	22.23	365,628	-0.12(-0.52%)
May 03, 2011	22.09	22.39	21.99	22.35	414,583	+0.14(+0.65%)
May 02, 2011	22.19	22.57	22.07	22.20	370,448	-0.31(-1.38%)
Apr 29, 2011	23.03	23.03	22.45	22.51	440,613	-0.41(-1.77%)
Apr 28, 2011	22.88	22.94	22.79	22.92	274,800	+0.08(+0.33%)
Apr 27, 2011	22.97	23.30	22.75	22.84	361,325	-0.16(-0.69%)
Apr 26, 2011	22.54	23.10	22.54	23.00	317,231	+0.51(+2.27%)
Apr 25, 2011	22.57	22.86	22.30	22.49	281,440	+0.16(+0.71%)
Apr 21, 2011	22.39	22.40	21.94	22.33	272,832	+0.00(+0.00%)
Apr 20, 2011	22.30	22.40	22.18	22.33	507,497	+0.10(+0.43%)
Apr 19, 2011	22.59	22.63	22.17	22.23	369,436	-0.14(-0.62%)
Apr 18, 2011	22.50	22.60	22.27	22.37	262,755	-0.40(-1.76%)
Apr 15, 2011	22.47	22.77	22.31	22.77	285,118	+0.30(+1.34%)
Apr 14, 2011	22.23	22.51	22.15	22.47	392,597	+0.17(+0.75%)
Apr 13, 2011	22.88	22.88	22.23	22.30	288,975	-0.42(-1.85%)
Apr 12, 2011	22.58	22.96	22.48	22.72	311,763	+0.08(+0.33%)
Apr 11, 2011	22.86	22.95	22.61	22.65	183,835	-0.26(-1.14%)
Apr 08, 2011	23.34	23.34	22.79	22.91	266,970	-0.20(-0.86%)
Apr 07, 2011	23.54	23.60	23.10	23.11	280,914	-0.38(-1.61%)
Apr 06, 2011	23.43	23.65	23.31	23.49	352,410	+0.17(+0.71%)
Apr 05, 2011	23.43	23.83	23.23	23.32	675,962	-0.11(-0.47%)
Apr 04, 2011	23.19	23.46	23.09	23.43	561,574	+0.25(+1.07%)
Apr 01, 2011	22.86	23.27	22.78	23.19	498,505	+0.55(+2.44%)
Mar 31, 2011	22.63	22.81	22.48	22.63	639,302	-0.11(-0.48%)
Mar 30, 2011	22.50	22.81	22.36	22.74	291,420	+0.38(+1.69%)
Mar 29, 2011	22.24	22.63	21.99	22.37	327,199	+0.14(+0.62%)
Mar 28, 2011	22.40	22.50	22.23	22.23	547,978	-0.10(-0.43%)
Mar 25, 2011	22.53	22.69	22.27	22.32	501,276	-0.06(-0.25%)
Mar 24, 2011	22.59	22.59	22.16	22.38	437,555	-0.16(-0.70%)
Mar 23, 2011	22.50	22.57	22.24	22.54	971,876	-0.01(-0.06%)
Mar 22, 2011	22.27	22.59	22.26	22.55	4,790,554	+0.03(+0.15%)
Mar 21, 2011	22.37	22.61	21.96	22.52	703,397	+0.29(+1.30%)
Mar 18, 2011	22.00	22.23	21.89	22.23	753,305	+0.58(+2.67%)
Mar 17, 2011	21.63	21.70	21.41	21.65	284,027	+0.32(+1.49%)
Mar 16, 2011	21.63	21.77	21.14	21.33	823,564	-0.37(-1.71%)
Mar 15, 2011	21.36	21.79	21.26	21.70	905,518	-0.04(-0.19%)
Mar 14, 2011	21.89	22.10	21.64	21.75	468,151	-0.36(-1.62%)
Mar 11, 2011	21.94	22.29	21.88	22.10	366,596	-0.06(-0.25%)
Mar 10, 2011	22.70	22.74	22.11	22.16	702,320	-0.77(-3.34%)
Mar 09, 2011	22.97	23.23	22.88	22.92	499,519	-0.05(-0.21%)
Mar 08, 2011	22.52	23.11	22.39	22.97	620,919	+0.42(+1.86%)
Mar 07, 2011	22.79	22.95	22.28	22.55	458,215	-0.23(-1.03%)
Mar 04, 2011	23.52	23.57	22.53	22.79	682,307	-0.74(-3.14%)
Mar 03, 2011	23.32	23.62	23.23	23.52	474,139	+0.54(+2.37%)
Mar 02, 2011	23.59	23.61	22.77	22.98	395,198	-0.53(-2.26%)

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