Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	81.33	81.44	81.22	81.23	1,490,681	-0.10(-0.13%)
Dec 29, 2011	81.22	81.37	81.10	81.33	1,337,450	+0.19(+0.24%)
Dec 28, 2011	81.04	81.21	80.98	81.14	1,185,908	+0.14(+0.17%)
Dec 27, 2011	80.82	81.00	80.80	81.00	1,480,147	+0.15(+0.18%)
Dec 23, 2011	80.81	80.90	80.62	80.85	922,732	+0.03(+0.04%)
Dec 21, 2011	81.02	81.05	80.79	80.82	1,262,566	-0.21(-0.25%)
Dec 20, 2011	81.07	81.17	81.00	81.03	3,773,530	-0.11(-0.14%)
Dec 19, 2011	81.06	81.19	80.99	81.14	1,525,492	+0.08(+0.10%)
Dec 16, 2011	80.93	81.11	80.90	81.06	1,604,623	+0.27(+0.34%)
Dec 15, 2011	80.92	81.00	80.72	80.79	5,117,259	-0.17(-0.21%)
Dec 14, 2011	80.76	81.05	80.82	80.96	1,260,510	+0.20(+0.25%)
Dec 13, 2011	80.60	80.86	80.57	80.76	1,993,011	+0.16(+0.20%)
Dec 12, 2011	80.63	80.75	80.59	80.60	1,657,511	+0.02(+0.03%)
Dec 09, 2011	80.60	80.71	80.48	80.57	1,269,214	-0.04(-0.05%)
Dec 08, 2011	80.51	80.71	80.48	80.62	1,668,286	+0.08(+0.10%)
Dec 07, 2011	80.45	80.60	80.33	80.54	938,080	+0.15(+0.18%)
Dec 06, 2011	80.37	80.44	80.18	80.39	1,500,553	-0.07(-0.09%)
Dec 05, 2011	80.28	80.46	80.21	80.46	1,444,129	+0.09(+0.11%)
Dec 02, 2011	80.15	80.44	80.11	80.37	1,245,568	+0.21(+0.26%)

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