Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.50	20.76	20.31	20.69	1,826,168	+0.23(+1.14%)
May 30, 2012	20.70	20.86	20.42	20.46	1,077,404	-0.54(-2.56%)
May 29, 2012	20.74	21.02	20.67	21.00	1,929,370	+0.41(+2.02%)
May 25, 2012	20.45	20.58	20.28	20.58	1,946,823	+0.10(+0.51%)
May 24, 2012	20.32	20.48	20.23	20.48	3,282,898	+0.17(+0.86%)
May 23, 2012	19.95	20.31	19.82	20.30	2,689,949	+0.15(+0.74%)
May 22, 2012	19.82	20.30	19.82	20.15	2,626,161	+0.24(+1.20%)
May 21, 2012	19.51	19.95	19.51	19.91	1,461,549	+0.42(+2.16%)
May 18, 2012	19.88	19.92	19.43	19.49	1,608,269	-0.29(-1.44%)
May 17, 2012	20.30	20.35	19.78	19.78	1,917,599	-0.52(-2.55%)
May 16, 2012	20.58	20.90	20.28	20.30	1,912,089	-0.29(-1.42%)
May 15, 2012	20.85	20.96	20.56	20.59	1,351,245	-0.34(-1.61%)
May 14, 2012	21.03	21.05	20.76	20.93	1,171,538	-0.23(-1.07%)
May 11, 2012	21.07	21.20	20.91	21.15	1,560,350	+0.19(+0.93%)
May 10, 2012	20.92	21.14	20.83	20.96	2,190,072	+0.02(+0.09%)
May 09, 2012	20.74	21.11	20.73	20.94	1,794,036	-0.09(-0.43%)
May 08, 2012	21.05	21.16	20.83	21.03	2,512,450	-0.14(-0.64%)
May 07, 2012	21.09	21.17	20.94	21.16	1,509,862	+0.02(+0.09%)
May 04, 2012	21.13	21.23	20.89	21.15	1,224,503	-0.14(-0.64%)
May 03, 2012	21.46	21.57	21.24	21.28	1,237,676	-0.20(-0.94%)
May 02, 2012	21.44	21.53	21.16	21.48	1,733,167	-0.17(-0.78%)
May 01, 2012	21.31	21.79	21.26	21.65	1,555,265	+0.28(+1.30%)
Apr 30, 2012	21.29	21.39	21.17	21.37	826,390	+0.01(+0.06%)
Apr 27, 2012	21.27	21.38	21.15	21.36	1,470,449	+0.20(+0.95%)
Apr 26, 2012	20.84	21.20	20.83	21.16	1,177,025	+0.34(+1.61%)
Apr 25, 2012	21.05	21.14	20.77	20.82	1,513,758	-0.02(-0.09%)
Apr 24, 2012	20.64	20.98	20.61	20.84	1,262,636	+0.23(+1.13%)
Apr 23, 2012	20.67	20.73	20.40	20.61	1,377,583	-0.36(-1.72%)
Apr 20, 2012	20.88	21.04	20.82	20.97	1,135,845	+0.14(+0.68%)
Apr 19, 2012	20.63	21.29	20.60	20.83	2,912,247	+0.20(+0.97%)
Apr 18, 2012	20.20	20.63	20.18	20.63	2,162,793	+0.37(+1.82%)
Apr 17, 2012	20.26	20.31	20.14	20.26	1,648,747	+0.20(+1.00%)
Apr 16, 2012	20.03	20.11	19.94	20.06	1,862,065	+0.13(+0.65%)
Apr 13, 2012	20.00	20.04	19.80	19.93	1,438,325	-0.08(-0.39%)
Apr 12, 2012	19.74	20.02	19.65	20.01	1,271,905	+0.33(+1.67%)
Apr 11, 2012	19.62	19.71	19.51	19.68	809,167	+0.23(+1.19%)
Apr 10, 2012	19.80	19.85	19.34	19.45	1,638,514	-0.45(-2.27%)
Apr 09, 2012	20.11	20.11	19.85	19.90	1,163,840	-0.27(-1.34%)
Apr 05, 2012	20.31	20.35	20.07	20.17	968,063	-0.17(-0.83%)
Apr 04, 2012	20.42	20.62	20.31	20.34	1,445,429	-0.30(-1.44%)
Apr 03, 2012	20.80	20.88	20.56	20.64	2,316,227	-0.16(-0.78%)
Apr 02, 2012	20.41	20.92	20.29	20.80	1,625,412	+0.43(+2.09%)
Mar 30, 2012	20.53	20.56	20.29	20.37	1,034,488	-0.08(-0.38%)
Mar 29, 2012	20.39	20.47	20.00	20.45	1,719,832	-0.10(-0.47%)
Mar 28, 2012	20.59	20.65	20.33	20.55	846,594	-0.04(-0.19%)
Mar 27, 2012	20.66	20.74	20.54	20.58	1,367,374	-0.06(-0.28%)
Mar 26, 2012	20.50	20.67	20.42	20.64	1,263,388	+0.29(+1.43%)
Mar 23, 2012	20.26	20.41	20.16	20.35	917,622	+0.06(+0.29%)
Mar 22, 2012	20.36	20.53	20.26	20.29	1,270,148	-0.28(-1.38%)
Mar 21, 2012	20.53	20.69	20.42	20.58	1,166,797	+0.05(+0.25%)
Mar 20, 2012	20.59	20.61	20.29	20.53	1,046,417	-0.20(-0.96%)
Mar 19, 2012	20.70	20.89	20.62	20.73	864,242	-0.05(-0.25%)
Mar 16, 2012	20.79	20.97	20.71	20.78	1,016,252	+0.06(+0.28%)
Mar 15, 2012	20.56	20.78	20.45	20.72	1,428,013	+0.12(+0.60%)
Mar 14, 2012	20.82	20.86	20.51	20.60	1,406,135	-0.25(-1.21%)
Mar 13, 2012	20.36	20.86	20.29	20.85	1,114,711	+0.56(+2.77%)
Mar 12, 2012	20.27	20.38	20.18	20.29	834,436	+0.11(+0.54%)
Mar 09, 2012	20.20	20.22	20.08	20.18	1,070,935	+0.10(+0.48%)
Mar 08, 2012	20.22	20.22	20.02	20.08	804,843	+0.12(+0.61%)
Mar 07, 2012	19.84	20.04	19.68	19.96	1,494,761	+0.06(+0.32%)
Mar 06, 2012	20.20	20.30	19.82	19.89	1,369,034	-0.61(-2.96%)
Mar 05, 2012	20.25	20.56	20.13	20.50	1,253,573	+0.24(+1.18%)
Mar 02, 2012	20.43	20.51	20.18	20.26	946,543	-0.15(-0.76%)

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