Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2013	55.58	55.92	55.42	55.44	950,794	-0.14(-0.25%)
Feb 27, 2013	54.78	55.68	54.74	55.58	855,096	+0.77(+1.40%)
Feb 26, 2013	54.75	54.88	54.37	54.82	1,528,804	+0.32(+0.58%)
Feb 25, 2013	55.89	55.97	54.48	54.50	829,620	-1.12(-2.02%)
Feb 22, 2013	55.36	55.62	55.26	55.62	443,371	+0.54(+0.97%)
Feb 21, 2013	55.26	55.27	54.91	55.09	820,745	-0.29(-0.52%)
Feb 20, 2013	56.04	56.06	55.36	55.37	635,239	-0.68(-1.22%)
Feb 19, 2013	55.69	56.09	55.69	56.06	689,782	+0.43(+0.77%)
Feb 15, 2013	55.87	55.87	55.42	55.63	572,114	-0.16(-0.29%)
Feb 14, 2013	55.55	55.85	55.46	55.79	1,361,111	+0.05(+0.08%)
Feb 13, 2013	55.81	55.89	55.61	55.75	538,259	+0.04(+0.07%)
Feb 12, 2013	55.54	55.77	55.45	55.71	449,199	+0.25(+0.45%)
Feb 11, 2013	55.47	55.51	55.34	55.46	619,064	+0.01(+0.01%)
Feb 08, 2013	55.31	55.49	55.30	55.45	539,788	+0.23(+0.41%)
Feb 07, 2013	55.37	55.42	54.88	55.23	689,564	-0.12(-0.22%)
Feb 06, 2013	55.08	55.36	55.00	55.35	550,234	+0.53(+0.96%)
Feb 04, 2013	55.03	55.09	54.76	54.82	1,278,161	-0.54(-0.97%)
Feb 01, 2013	55.16	55.42	55.06	55.36	941,318	+0.55(+1.00%)
Jan 31, 2013	54.80	54.94	54.71	54.81	1,906,999	-0.09(-0.17%)
Jan 30, 2013	55.11	55.19	54.85	54.90	832,026	-0.22(-0.39%)
Jan 29, 2013	54.75	55.16	54.73	55.12	854,571	+0.29(+0.52%)
Jan 28, 2013	54.95	54.95	54.60	54.83	985,549	-0.02(-0.04%)
Jan 25, 2013	54.78	54.85	54.56	54.85	778,662	+0.28(+0.51%)
Jan 24, 2013	54.41	54.78	54.39	54.57	625,778	+0.25(+0.46%)
Jan 23, 2013	54.28	54.37	54.13	54.33	928,094	+0.01(+0.01%)
Jan 22, 2013	53.92	54.33	53.85	54.32	626,370	+0.38(+0.70%)
Jan 18, 2013	53.75	53.97	53.62	53.94	772,913	+0.27(+0.51%)
Jan 17, 2013	53.54	53.85	53.50	53.67	1,551,599	+0.29(+0.54%)
Jan 16, 2013	53.29	53.44	53.23	53.38	716,729	-0.02(-0.03%)
Jan 15, 2013	53.02	53.47	53.02	53.40	954,623	+0.13(+0.25%)
Jan 14, 2013	53.23	53.29	53.03	53.26	599,483	+0.06(+0.12%)
Jan 11, 2013	53.23	53.25	53.03	53.20	771,124	-0.02(-0.04%)
Jan 10, 2013	53.07	53.25	52.86	53.23	545,515	+0.44(+0.84%)
Jan 09, 2013	52.78	52.93	52.66	52.78	1,089,565	+0.15(+0.28%)
Jan 08, 2013	52.76	52.78	52.46	52.64	1,679,706	-0.22(-0.43%)
Jan 07, 2013	52.85	52.90	52.65	52.86	709,284	-0.19(-0.35%)
Jan 04, 2013	52.78	53.12	52.71	53.05	891,979	+0.37(+0.71%)
Jan 03, 2013	52.71	52.90	52.53	52.67	1,236,561	-0.05(-0.10%)
Jan 02, 2013	52.45	52.74	52.30	52.73	1,440,621	+1.23(+2.39%)
Dec 31, 2012	50.54	51.50	50.48	51.50	2,284,634	+0.85(+1.68%)
Dec 28, 2012	50.94	51.15	50.63	50.64	859,040	-0.58(-1.14%)
Dec 27, 2012	51.37	51.43	50.67	51.22	1,386,274	-0.09(-0.18%)
Dec 26, 2012	51.62	51.66	51.22	51.32	526,696	-0.21(-0.41%)
Dec 24, 2012	51.53	51.57	51.42	51.53	333,579	-0.15(-0.29%)
Dec 21, 2012	51.50	51.81	51.36	51.67	1,203,685	-0.57(-1.10%)
Dec 20, 2012	51.86	52.25	51.77	52.25	1,116,286	+0.44(+0.85%)
Dec 19, 2012	52.31	52.31	51.81	51.81	1,110,377	-0.41(-0.78%)
Dec 18, 2012	51.73	52.25	51.61	52.22	894,714	+0.60(+1.16%)
Dec 17, 2012	51.02	51.62	51.02	51.62	792,616	+0.69(+1.35%)
Dec 14, 2012	50.96	51.06	50.85	50.93	663,107	-0.08(-0.15%)
Dec 13, 2012	51.28	51.42	50.88	51.01	865,246	-0.28(-0.54%)
Dec 12, 2012	51.36	51.66	51.22	51.28	1,035,885	+0.14(+0.27%)
Dec 11, 2012	51.08	51.37	51.01	51.15	891,844	+0.25(+0.48%)
Dec 10, 2012	50.80	50.98	50.75	50.90	870,580	+0.05(+0.09%)
Dec 07, 2012	50.80	50.86	50.54	50.85	758,913	+0.26(+0.52%)
Dec 06, 2012	50.52	50.61	50.32	50.59	501,374	+0.16(+0.32%)
Dec 05, 2012	50.17	50.66	49.98	50.43	1,562,716	+0.36(+0.72%)

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