Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	20.48	20.73	20.28	20.66	1,828,719	+0.23(+1.14%)
May 30, 2012	20.67	20.83	20.39	20.43	1,078,908	-0.54(-2.56%)
May 29, 2012	20.71	20.99	20.64	20.97	1,932,065	+0.41(+2.02%)
May 25, 2012	20.42	20.55	20.25	20.55	1,949,542	+0.10(+0.51%)
May 24, 2012	20.29	20.45	20.20	20.45	3,287,483	+0.17(+0.86%)
May 23, 2012	19.92	20.28	19.80	20.27	2,693,706	+0.15(+0.74%)
May 22, 2012	19.80	20.27	19.80	20.13	2,629,828	+0.24(+1.20%)
May 21, 2012	19.48	19.92	19.48	19.89	1,463,591	+0.42(+2.16%)
May 18, 2012	19.85	19.89	19.40	19.47	1,610,515	-0.28(-1.44%)
May 17, 2012	20.27	20.32	19.75	19.75	1,920,277	-0.52(-2.55%)
May 16, 2012	20.55	20.87	20.25	20.27	1,914,759	-0.29(-1.42%)
May 15, 2012	20.82	20.93	20.53	20.56	1,353,132	-0.34(-1.61%)
May 14, 2012	21.00	21.02	20.73	20.90	1,173,174	-0.23(-1.07%)
May 11, 2012	21.04	21.17	20.88	21.12	1,562,529	+0.19(+0.93%)
May 10, 2012	20.89	21.11	20.80	20.93	2,193,130	+0.02(+0.09%)
May 09, 2012	20.71	21.08	20.70	20.91	1,796,541	-0.09(-0.43%)
May 08, 2012	21.03	21.14	20.80	21.00	2,515,959	-0.14(-0.64%)
May 07, 2012	21.06	21.14	20.91	21.14	1,511,971	+0.02(+0.09%)
May 04, 2012	21.10	21.20	20.86	21.12	1,226,213	-0.14(-0.64%)
May 03, 2012	21.43	21.54	21.21	21.25	1,239,405	-0.20(-0.94%)
May 02, 2012	21.41	21.50	21.13	21.45	1,735,588	-0.17(-0.78%)
May 01, 2012	21.28	21.76	21.23	21.62	1,557,438	+0.28(+1.30%)
Apr 30, 2012	21.26	21.36	21.14	21.34	827,544	+0.01(+0.06%)
Apr 27, 2012	21.24	21.35	21.12	21.33	1,472,502	+0.20(+0.95%)
Apr 26, 2012	20.81	21.17	20.80	21.13	1,178,669	+0.34(+1.61%)
Apr 25, 2012	21.02	21.11	20.74	20.79	1,515,871	-0.02(-0.09%)
Apr 24, 2012	20.61	20.95	20.58	20.81	1,264,399	+0.23(+1.13%)
Apr 23, 2012	20.64	20.70	20.37	20.58	1,379,506	-0.36(-1.72%)
Apr 20, 2012	20.85	21.01	20.79	20.94	1,137,431	+0.14(+0.68%)
Apr 19, 2012	20.60	21.26	20.57	20.80	2,916,314	+0.20(+0.97%)
Apr 18, 2012	20.17	20.60	20.16	20.60	2,165,813	+0.37(+1.82%)
Apr 17, 2012	20.23	20.28	20.11	20.23	1,651,049	+0.20(+1.00%)
Apr 16, 2012	20.00	20.08	19.91	20.03	1,864,666	+0.13(+0.65%)
Apr 13, 2012	19.98	20.01	19.78	19.90	1,440,334	-0.08(-0.39%)
Apr 12, 2012	19.71	19.99	19.63	19.98	1,273,681	+0.33(+1.67%)
Apr 11, 2012	19.60	19.68	19.49	19.65	810,297	+0.23(+1.19%)
Apr 10, 2012	19.78	19.83	19.31	19.42	1,640,802	-0.45(-2.27%)
Apr 09, 2012	20.08	20.08	19.83	19.87	1,165,465	-0.27(-1.34%)
Apr 05, 2012	20.28	20.32	20.05	20.14	969,415	-0.17(-0.82%)
Apr 04, 2012	20.39	20.59	20.28	20.31	1,447,448	-0.30(-1.44%)
Apr 03, 2012	20.77	20.85	20.54	20.61	2,319,462	-0.16(-0.78%)
Apr 02, 2012	20.38	20.89	20.26	20.77	1,627,682	+0.43(+2.09%)
Mar 30, 2012	20.50	20.53	20.26	20.34	1,035,933	-0.08(-0.38%)
Mar 29, 2012	20.36	20.44	19.98	20.42	1,722,234	-0.10(-0.47%)
Mar 28, 2012	20.56	20.62	20.30	20.52	847,776	-0.04(-0.19%)
Mar 27, 2012	20.63	20.71	20.51	20.56	1,369,284	-0.06(-0.28%)
Mar 26, 2012	20.47	20.65	20.39	20.61	1,265,152	+0.29(+1.43%)
Mar 23, 2012	20.23	20.38	20.14	20.32	918,903	+0.06(+0.29%)
Mar 22, 2012	20.34	20.50	20.23	20.27	1,271,922	-0.28(-1.38%)
Mar 21, 2012	20.50	20.66	20.39	20.55	1,168,426	+0.05(+0.25%)
Mar 20, 2012	20.56	20.58	20.27	20.50	1,047,878	-0.20(-0.96%)
Mar 19, 2012	20.67	20.86	20.59	20.70	865,449	-0.05(-0.25%)
Mar 16, 2012	20.76	20.94	20.68	20.75	1,017,672	+0.06(+0.28%)
Mar 15, 2012	20.53	20.75	20.43	20.69	1,430,007	+0.12(+0.60%)
Mar 14, 2012	20.79	20.83	20.48	20.57	1,408,099	-0.25(-1.21%)
Mar 13, 2012	20.33	20.83	20.27	20.82	1,116,268	+0.56(+2.77%)
Mar 12, 2012	20.25	20.36	20.16	20.26	835,601	+0.11(+0.54%)
Mar 09, 2012	20.17	20.19	20.05	20.15	1,072,431	+0.10(+0.48%)
Mar 08, 2012	20.19	20.19	19.99	20.05	805,967	+0.12(+0.61%)
Mar 07, 2012	19.81	20.01	19.65	19.93	1,496,848	+0.06(+0.32%)
Mar 06, 2012	20.18	20.27	19.79	19.87	1,370,946	-0.61(-2.96%)
Mar 05, 2012	20.23	20.54	20.10	20.47	1,255,324	+0.24(+1.18%)
Mar 02, 2012	20.40	20.48	20.16	20.23	947,865	-0.15(-0.76%)

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