Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	80.32	80.98	79.94	79.95	587,217	-1.04(-1.28%)
Dec 29, 2011	81.13	81.58	80.73	80.99	470,447	+0.02(+0.02%)
Dec 28, 2011	81.85	82.17	80.64	80.97	551,560	-0.73(-0.89%)
Dec 27, 2011	81.26	82.08	81.13	81.70	380,541	+0.15(+0.18%)
Dec 23, 2011	80.66	81.58	80.09	81.55	504,624	+0.84(+1.04%)
Dec 21, 2011	81.58	81.83	80.40	80.71	642,986	-0.60(-0.74%)
Dec 20, 2011	79.95	81.43	79.95	81.31	803,393	+2.34(+2.96%)
Dec 19, 2011	80.40	80.47	78.73	78.97	512,671	-0.91(-1.14%)
Dec 16, 2011	79.42	80.90	79.20	79.88	2,014,326	+0.93(+1.18%)
Dec 15, 2011	78.95	79.49	78.56	78.95	912,665	+0.37(+0.47%)
Dec 14, 2011	78.85	79.18	77.69	78.58	980,438	-0.33(-0.42%)
Dec 13, 2011	81.10	81.21	78.57	78.91	939,100	-2.02(-2.50%)
Dec 12, 2011	80.59	81.11	80.10	80.93	1,273,289	-0.11(-0.14%)
Dec 09, 2011	79.28	81.24	79.06	81.04	995,881	+2.12(+2.69%)
Dec 08, 2011	78.41	79.66	78.40	78.92	886,760	-0.10(-0.13%)
Dec 07, 2011	79.03	79.40	78.47	79.02	825,810	-0.52(-0.65%)
Dec 06, 2011	80.00	80.42	79.44	79.54	826,906	+0.01(+0.01%)
Dec 05, 2011	78.33	80.67	78.15	79.53	1,288,434	+2.50(+3.25%)
Dec 02, 2011	78.10	78.24	77.03	77.03	608,983	-0.67(-0.86%)

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