Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	77.82	78.16	77.66	78.14	6,930,424	+0.55(+0.71%)
May 30, 2012	77.81	77.87	77.58	77.59	2,873,300	+0.07(+0.09%)
May 29, 2012	77.48	77.69	77.46	77.53	3,762,972	+0.11(+0.15%)
May 25, 2012	77.28	77.43	77.23	77.41	889,050	+0.19(+0.25%)
May 24, 2012	77.22	77.25	77.11	77.22	1,815,489	+0.01(+0.02%)
May 23, 2012	77.09	77.36	77.07	77.21	2,800,241	+0.19(+0.24%)
May 22, 2012	77.08	77.23	76.97	77.02	2,587,051	-0.21(-0.27%)
May 21, 2012	77.14	77.27	76.99	77.23	2,071,680	+0.09(+0.11%)
May 18, 2012	77.33	77.34	77.09	77.14	2,947,290	-0.30(-0.39%)
May 17, 2012	77.75	77.79	77.43	77.44	3,544,516	-0.58(-0.74%)
May 16, 2012	77.70	78.10	77.64	78.02	4,042,328	+0.04(+0.05%)
May 15, 2012	78.20	78.20	77.91	77.98	3,675,326	-0.10(-0.13%)
May 14, 2012	78.20	78.28	78.00	78.08	2,882,639	+0.02(+0.03%)
May 11, 2012	78.01	78.16	77.99	78.06	4,456,574	+0.23(+0.30%)
May 10, 2012	77.91	77.95	77.69	77.83	2,394,426	-0.16(-0.21%)
May 09, 2012	77.93	78.15	77.87	77.99	3,256,819	-0.13(-0.17%)
May 08, 2012	77.99	78.16	77.91	78.12	2,351,145	+0.19(+0.25%)
May 07, 2012	77.83	77.96	77.76	77.93	1,178,334	+0.13(+0.17%)
May 04, 2012	77.81	77.88	77.79	77.79	1,027,459	+0.09(+0.11%)
May 03, 2012	77.66	77.79	77.57	77.71	2,030,236	+0.05(+0.06%)
May 02, 2012	77.58	77.69	77.53	77.66	3,063,307	+0.25(+0.33%)
May 01, 2012	77.75	77.83	77.38	77.41	3,638,549	-0.15(-0.19%)
Apr 30, 2012	77.69	77.74	77.51	77.55	2,602,716	-0.05(-0.06%)
Apr 27, 2012	77.55	77.63	77.41	77.60	2,322,378	+0.11(+0.15%)
Apr 26, 2012	77.40	77.59	77.39	77.49	1,676,573	+0.13(+0.16%)
Apr 25, 2012	77.13	77.39	77.07	77.36	2,567,901	+0.13(+0.17%)
Apr 24, 2012	77.34	77.37	77.19	77.23	2,986,938	-0.14(-0.18%)
Apr 23, 2012	77.50	77.51	77.33	77.37	1,466,349	+0.01(+0.02%)
Apr 20, 2012	77.29	77.41	77.19	77.35	996,315	-0.02(-0.03%)
Apr 19, 2012	77.49	77.50	77.32	77.37	1,714,870	+0.05(+0.07%)
Apr 18, 2012	77.39	77.42	77.27	77.32	4,000,257	-0.01(-0.02%)
Apr 17, 2012	77.21	77.35	77.11	77.33	3,348,203	+0.10(+0.13%)
Apr 16, 2012	77.21	77.43	77.17	77.23	3,599,775	+0.00(+0.00%)
Apr 13, 2012	77.03	77.26	77.03	77.23	1,521,143	+0.37(+0.48%)
Apr 12, 2012	76.97	77.03	76.83	76.87	2,103,615	+0.03(+0.04%)
Apr 11, 2012	76.91	76.95	76.56	76.83	1,969,514	-0.08(-0.10%)
Apr 10, 2012	77.11	77.11	76.88	76.91	3,399,767	-0.05(-0.06%)
Apr 09, 2012	77.00	77.06	76.83	76.96	1,541,776	+0.50(+0.65%)
Apr 05, 2012	76.49	76.65	76.30	76.46	2,472,632	+0.13(+0.17%)
Apr 04, 2012	76.44	76.56	76.33	76.33	2,433,201	+0.15(+0.19%)
Apr 03, 2012	76.90	77.10	76.16	76.19	4,091,394	-0.73(-0.95%)
Apr 02, 2012	76.85	76.97	76.67	76.92	9,173,221	+0.20(+0.26%)
Mar 30, 2012	77.03	77.09	76.62	76.72	6,457,974	-0.19(-0.24%)
Mar 29, 2012	76.88	76.99	76.72	76.91	2,459,631	+0.15(+0.20%)
Mar 28, 2012	76.79	76.97	76.65	76.76	2,511,367	-0.15(-0.19%)
Mar 27, 2012	76.32	76.94	76.32	76.90	4,377,851	+0.59(+0.77%)
Mar 26, 2012	76.32	76.49	76.19	76.31	2,411,594	+0.17(+0.22%)
Mar 23, 2012	76.25	76.37	76.15	76.15	3,368,568	+0.06(+0.08%)
Mar 22, 2012	76.19	76.20	76.04	76.09	4,631,322	-0.13(-0.17%)
Mar 21, 2012	76.03	76.24	75.95	76.21	3,183,716	+0.34(+0.45%)
Mar 20, 2012	75.76	75.97	75.67	75.87	2,751,783	-0.05(-0.06%)
Mar 19, 2012	76.00	76.06	75.75	75.91	2,955,694	-0.11(-0.14%)
Mar 16, 2012	75.77	76.03	75.64	76.02	5,109,856	+0.11(+0.15%)
Mar 15, 2012	76.12	76.38	75.83	75.91	3,068,092	-0.17(-0.22%)
Mar 14, 2012	76.80	76.80	76.04	76.07	4,623,433	-0.92(-1.19%)
Mar 13, 2012	77.15	77.23	76.92	76.99	3,360,963	-0.21(-0.27%)
Mar 12, 2012	77.47	77.49	77.19	77.20	3,056,234	-0.15(-0.20%)
Mar 09, 2012	77.32	77.37	77.15	77.35	2,500,892	-0.04(-0.05%)
Mar 08, 2012	77.45	77.52	77.32	77.39	1,812,116	+0.01(+0.02%)
Mar 07, 2012	77.42	77.53	77.31	77.38	2,125,609	-0.03(-0.04%)
Mar 06, 2012	77.51	77.57	77.30	77.41	2,536,287	-0.12(-0.15%)
Mar 05, 2012	77.75	77.84	77.43	77.53	2,481,167	-0.14(-0.18%)
Mar 02, 2012	77.65	77.88	77.64	77.67	2,834,176	+0.03(+0.03%)

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