Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	21.52	21.61	21.48	21.50	6,988,844	-0.02(-0.09%)
May 23, 2011	21.58	21.75	21.51	21.52	9,439,070	-0.26(-1.17%)
May 20, 2011	21.78	21.88	21.68	21.77	7,013,084	-0.03(-0.12%)
May 19, 2011	21.75	21.84	21.70	21.80	5,014,749	+0.05(+0.23%)
May 18, 2011	21.81	21.84	21.63	21.75	8,525,283	-0.07(-0.32%)
May 17, 2011	21.60	21.82	21.60	21.82	13,408,725	+0.16(+0.74%)
May 16, 2011	21.68	21.85	21.61	21.66	12,717,008	+0.03(+0.12%)
May 13, 2011	21.79	21.80	21.52	21.63	10,835,583	-0.10(-0.47%)
May 12, 2011	21.52	21.75	21.48	21.73	9,224,114	+0.22(+1.01%)
May 11, 2011	21.59	21.59	21.40	21.52	6,430,181	-0.07(-0.33%)
May 10, 2011	21.38	21.64	21.34	21.59	13,448,120	+0.31(+1.44%)
May 09, 2011	21.21	21.30	21.12	21.28	6,148,436	+0.04(+0.21%)
May 06, 2011	21.33	21.40	21.15	21.24	8,998,690	+0.12(+0.57%)
May 05, 2011	21.24	21.26	21.03	21.12	8,988,009	-0.15(-0.72%)
May 04, 2011	21.29	21.33	21.14	21.27	13,553,445	-0.03(-0.12%)
May 03, 2011	21.17	21.44	21.09	21.29	25,741,266	+0.13(+0.63%)
May 02, 2011	21.16	21.17	21.14	21.16	8,699,528	+0.01(+0.03%)
Apr 29, 2011	21.09	21.17	21.03	21.15	13,695,589	+0.04(+0.21%)
Apr 28, 2011	20.91	21.13	20.90	21.11	10,597,389	+0.18(+0.88%)
Apr 27, 2011	20.82	20.96	20.77	20.92	9,574,403	+0.17(+0.80%)
Apr 26, 2011	20.61	20.78	20.61	20.76	8,274,487	+0.17(+0.81%)
Apr 25, 2011	20.57	20.63	20.52	20.59	3,926,993	+0.03(+0.12%)
Apr 21, 2011	20.56	20.58	20.49	20.57	6,373,113	+0.00(+0.00%)
Apr 20, 2011	20.47	20.59	20.44	20.57	9,199,910	+0.26(+1.29%)
Apr 19, 2011	20.34	20.34	20.24	20.31	8,868,217	+0.01(+0.03%)
Apr 18, 2011	20.36	20.42	20.18	20.30	11,208,143	-0.18(-0.87%)
Apr 15, 2011	20.31	20.54	20.29	20.48	11,225,980	+0.22(+1.10%)
Apr 14, 2011	20.04	20.30	20.03	20.25	9,062,071	+0.12(+0.60%)
Apr 13, 2011	20.16	20.30	20.13	20.13	8,302,577	+0.05(+0.25%)
Apr 12, 2011	20.08	20.18	20.00	20.08	13,372,992	-0.05(-0.25%)
Apr 11, 2011	20.36	20.40	20.09	20.13	14,649,713	-0.27(-1.31%)
Apr 08, 2011	20.55	20.57	20.31	20.40	9,345,312	-0.06(-0.28%)
Apr 07, 2011	20.51	20.54	20.38	20.46	8,370,566	-0.08(-0.40%)
Apr 06, 2011	20.49	20.58	20.43	20.54	5,909,387	+0.15(+0.72%)
Apr 05, 2011	20.47	20.49	20.38	20.40	6,308,632	-0.08(-0.41%)
Apr 04, 2011	20.54	20.54	20.41	20.48	6,229,506	-0.01(-0.06%)
Apr 01, 2011	20.47	20.51	20.38	20.49	9,682,207	+0.16(+0.78%)
Mar 31, 2011	20.38	20.40	20.29	20.33	8,615,726	-0.05(-0.25%)
Mar 30, 2011	20.38	20.46	20.38	20.38	8,774,544	+0.23(+1.16%)
Mar 29, 2011	19.97	20.17	19.91	20.15	8,524,294	+0.19(+0.97%)
Mar 28, 2011	20.04	20.15	19.96	19.96	7,194,602	-0.07(-0.35%)
Mar 25, 2011	20.03	20.11	20.01	20.03	5,338,411	-0.01(-0.03%)
Mar 24, 2011	20.08	20.08	19.90	20.03	9,709,847	+0.08(+0.42%)
Mar 23, 2011	19.94	19.99	19.83	19.95	8,812,415	-0.01(-0.05%)
Mar 22, 2011	19.96	20.06	19.88	19.96	11,393,518	+0.03(+0.14%)
Mar 21, 2011	19.95	20.00	19.92	19.93	7,974,460	+0.23(+1.17%)
Mar 18, 2011	19.82	19.87	19.62	19.70	14,264,031	+0.10(+0.50%)
Mar 17, 2011	19.76	19.77	19.45	19.60	19,033,850	+0.03(+0.15%)
Mar 16, 2011	19.86	19.91	19.42	19.57	24,289,266	-0.31(-1.57%)
Mar 15, 2011	19.90	19.99	19.87	19.89	22,535,696	-0.39(-1.90%)
Mar 14, 2011	20.32	20.34	20.13	20.27	30,034,252	-0.27(-1.32%)
Mar 11, 2011	20.47	20.62	20.43	20.54	7,965,192	+0.05(+0.22%)
Mar 10, 2011	20.61	20.66	20.49	20.50	17,164,490	-0.24(-1.14%)
Mar 09, 2011	20.53	20.78	20.50	20.73	20,745,050	+0.21(+1.02%)
Mar 08, 2011	20.37	20.57	20.30	20.52	10,640,395	+0.23(+1.12%)
Mar 07, 2011	20.30	20.46	20.25	20.30	17,103,658	+0.08(+0.39%)
Mar 04, 2011	20.32	20.36	20.07	20.22	11,619,703	-0.12(-0.61%)
Mar 03, 2011	20.21	20.38	20.21	20.34	9,148,826	+0.23(+1.13%)
Mar 02, 2011	20.09	20.17	20.04	20.11	9,117,500	+0.03(+0.17%)

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