Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	113.99	114.27	113.99	114.27	906,149	+0.32(+0.28%)
Apr 27, 2012	113.83	113.95	113.72	113.95	266,362	+0.09(+0.08%)
Apr 26, 2012	113.80	113.87	113.66	113.86	390,592	+0.05(+0.04%)
Apr 25, 2012	113.49	113.83	113.47	113.81	493,036	+0.36(+0.32%)
Apr 24, 2012	113.37	113.51	113.32	113.45	462,366	+0.12(+0.11%)
Apr 23, 2012	113.49	113.49	113.14	113.33	415,483	-0.29(-0.26%)
Apr 20, 2012	113.34	113.67	113.28	113.62	585,273	+0.42(+0.37%)
Apr 19, 2012	113.19	113.28	113.03	113.20	287,709	+0.01(+0.01%)
Apr 18, 2012	113.11	113.25	113.06	113.19	354,373	-0.02(-0.02%)
Apr 17, 2012	112.99	113.22	112.98	113.21	228,902	+0.29(+0.26%)
Apr 16, 2012	112.72	113.02	112.72	112.92	476,566	+0.02(+0.02%)
Apr 13, 2012	112.99	112.99	112.67	112.90	714,069	-0.04(-0.04%)
Apr 12, 2012	112.58	112.95	112.46	112.94	1,099,276	+0.54(+0.48%)
Apr 11, 2012	112.09	112.40	112.07	112.40	444,291	+0.38(+0.34%)
Apr 10, 2012	112.00	112.40	112.00	112.02	615,956	-0.48(-0.43%)
Apr 09, 2012	112.47	112.50	112.30	112.50	418,081	+0.36(+0.32%)
Apr 05, 2012	112.32	112.32	112.10	112.14	531,563	-0.27(-0.24%)
Apr 04, 2012	112.39	112.42	112.21	112.41	535,394	-0.02(-0.02%)
Apr 03, 2012	112.77	112.77	112.30	112.43	1,071,818	-0.31(-0.27%)
Apr 02, 2012	112.65	112.77	112.44	112.74	2,533,106	+0.03(+0.03%)
Mar 30, 2012	112.69	112.71	112.32	112.71	539,396	+0.27(+0.24%)
Mar 29, 2012	112.50	112.63	112.28	112.44	254,947	-0.14(-0.12%)
Mar 28, 2012	112.86	112.86	112.56	112.58	313,816	+0.08(+0.07%)
Mar 27, 2012	112.59	112.63	112.46	112.50	302,004	+0.04(+0.04%)
Mar 26, 2012	112.60	112.72	112.40	112.46	488,361	-0.24(-0.21%)
Mar 23, 2012	112.70	112.91	112.50	112.70	485,344	+0.01(+0.01%)
Mar 22, 2012	112.77	112.81	112.68	112.69	595,895	-0.05(-0.04%)
Mar 21, 2012	112.87	112.90	112.49	112.74	788,850	-0.11(-0.10%)
Mar 20, 2012	113.07	113.11	112.79	112.85	329,874	-0.39(-0.34%)
Mar 19, 2012	113.39	113.48	113.19	113.24	356,211	-0.30(-0.26%)
Mar 16, 2012	113.43	113.54	113.29	113.54	172,401	+0.10(+0.09%)
Mar 15, 2012	113.52	113.61	113.17	113.44	703,868	-0.43(-0.38%)
Mar 14, 2012	114.20	114.32	113.84	113.87	524,907	-0.61(-0.53%)
Mar 13, 2012	114.38	114.53	114.23	114.48	483,492	+0.29(+0.25%)
Mar 12, 2012	113.96	114.20	113.89	114.19	398,062	+0.33(+0.29%)
Mar 09, 2012	113.72	113.88	113.68	113.86	426,995	+0.15(+0.13%)
Mar 08, 2012	113.55	113.71	113.23	113.71	343,041	+0.51(+0.45%)
Mar 07, 2012	112.97	113.20	112.69	113.20	589,917	+0.50(+0.44%)
Mar 06, 2012	113.11	113.29	112.60	112.70	1,056,080	-1.01(-0.89%)
Mar 05, 2012	113.66	113.76	113.60	113.71	1,018,176	+0.05(+0.04%)
Mar 02, 2012	113.49	113.71	113.39	113.66	325,927	+0.54(+0.48%)
Mar 01, 2012	112.95	113.18	112.75	113.12	573,314	-0.18(-0.16%)
Feb 29, 2012	113.42	113.47	113.21	113.30	587,928	+0.09(+0.08%)
Feb 28, 2012	113.02	113.31	112.95	113.21	429,486	+0.34(+0.30%)
Feb 27, 2012	112.74	112.91	112.62	112.87	319,111	+0.01(+0.01%)
Feb 24, 2012	112.70	112.86	112.57	112.86	440,521	+0.25(+0.22%)
Feb 23, 2012	112.55	112.61	112.36	112.61	346,293	+0.27(+0.24%)
Feb 22, 2012	112.28	112.36	112.18	112.34	354,468	+0.30(+0.27%)
Feb 21, 2012	111.94	112.21	111.71	112.04	337,981	+0.51(+0.46%)
Feb 17, 2012	111.89	111.89	111.37	111.53	1,429,478	-0.24(-0.22%)
Feb 16, 2012	111.64	111.78	111.57	111.77	390,875	-0.13(-0.12%)
Feb 15, 2012	111.99	111.99	111.81	111.90	272,439	+0.15(+0.13%)
Feb 14, 2012	111.62	111.82	111.62	111.75	472,692	+0.18(+0.16%)
Feb 13, 2012	111.44	111.66	111.34	111.57	634,350	+0.59(+0.53%)
Feb 10, 2012	111.09	111.16	110.94	110.98	399,445	-0.34(-0.31%)
Feb 09, 2012	111.15	111.36	111.15	111.32	221,200	+0.13(+0.12%)
Feb 08, 2012	111.66	115.00	111.04	111.19	617,586	-0.24(-0.22%)
Feb 07, 2012	111.25	111.93	111.14	111.43	466,633	+0.24(+0.22%)
Feb 06, 2012	111.33	111.34	111.09	111.19	302,161	+0.09(+0.08%)
Feb 03, 2012	111.26	111.34	111.08	111.10	527,126	+0.06(+0.05%)
Feb 02, 2012	110.38	111.04	110.38	111.04	676,726	+0.70(+0.63%)

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