Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	51.93	52.09	51.82	51.83	53,750	-0.09(-0.18%)
Dec 29, 2011	51.61	51.97	51.53	51.93	107,446	+0.52(+1.00%)
Dec 28, 2011	52.16	52.16	51.38	51.41	160,232	-0.68(-1.30%)
Dec 27, 2011	51.91	52.18	51.90	52.09	59,705	+0.14(+0.26%)
Dec 23, 2011	51.82	51.95	51.65	51.95	191,196	+0.69(+1.34%)
Dec 21, 2011	50.87	51.31	50.82	51.26	81,841	+0.35(+0.70%)
Dec 20, 2011	50.46	50.99	50.45	50.91	75,743	+1.09(+2.19%)
Dec 19, 2011	50.17	50.46	49.70	49.82	57,058	-0.14(-0.28%)
Dec 16, 2011	50.22	50.32	49.84	49.96	65,120	+0.10(+0.20%)
Dec 15, 2011	49.81	50.12	49.65	49.86	32,876	+0.48(+0.98%)
Dec 14, 2011	49.46	49.58	49.31	49.38	54,447	-0.16(-0.32%)
Dec 13, 2011	49.93	50.27	49.36	49.54	45,809	-0.15(-0.30%)
Dec 12, 2011	49.84	49.96	49.50	49.69	42,387	-0.59(-1.18%)
Dec 09, 2011	49.58	50.42	49.58	50.28	47,280	+0.77(+1.55%)
Dec 08, 2011	50.21	50.35	49.43	49.51	51,386	-1.02(-2.01%)
Dec 07, 2011	50.17	50.74	49.84	50.53	243,410	+0.25(+0.50%)
Dec 06, 2011	50.14	50.53	50.10	50.28	43,142	+0.21(+0.42%)
Dec 05, 2011	50.59	50.59	49.84	50.07	111,948	+0.12(+0.25%)
Dec 02, 2011	50.93	50.93	49.86	49.94	88,873	-0.55(-1.09%)

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