Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	21.64	21.80	21.59	21.80	9,861	+0.17(+0.79%)
May 30, 2012	21.78	21.78	21.60	21.63	6,427	-0.44(-1.99%)
May 29, 2012	21.90	22.18	21.90	22.07	9,327	+1.05(+5.00%)
May 25, 2012	20.83	21.02	20.83	21.02	52,525	-0.18(-0.85%)
May 24, 2012	21.10	21.31	21.10	21.20	9,554	+0.08(+0.38%)
May 23, 2012	20.94	21.12	20.89	21.12	7,847	-0.04(-0.19%)
May 22, 2012	21.04	21.35	21.04	21.16	30,621	+0.03(+0.14%)
May 21, 2012	20.92	21.24	20.92	21.13	12,412	+0.13(+0.62%)
May 18, 2012	21.11	21.18	20.95	21.00	7,902	-0.55(-2.55%)
May 17, 2012	21.72	21.72	21.55	21.55	4,508	+0.25(+1.17%)
May 16, 2012	21.42	21.44	21.30	21.30	17,396	-0.14(-0.65%)
May 15, 2012	21.51	21.67	21.44	21.44	6,973	-0.06(-0.28%)
May 14, 2012	21.51	21.56	21.50	21.50	7,250	-0.56(-2.54%)
May 11, 2012	21.97	22.19	21.97	22.06	4,584	+0.22(+1.01%)
May 10, 2012	21.83	21.93	21.81	21.84	42,674	-0.11(-0.50%)
May 09, 2012	21.83	22.00	21.83	21.95	8,265	-0.11(-0.50%)
May 08, 2012	22.13	22.23	21.84	22.06	1,217	-0.27(-1.21%)
May 07, 2012	22.15	22.40	22.15	22.33	39,703	+0.27(+1.22%)
May 04, 2012	21.89	22.07	21.89	22.06	9,854	+0.06(+0.27%)
May 03, 2012	22.35	22.35	21.97	22.00	70,757	-0.38(-1.70%)
May 02, 2012	22.41	22.47	22.38	22.38	7,824	-0.09(-0.40%)
May 01, 2012	22.41	22.60	22.41	22.47	3,958	+0.02(+0.09%)
Apr 30, 2012	22.38	22.50	22.37	22.45	32,027	+0.04(+0.18%)
Apr 27, 2012	22.42	22.52	22.41	22.41	10,679	-0.34(-1.49%)
Apr 26, 2012	22.55	22.92	22.55	22.75	14,211	-0.12(-0.52%)
Apr 25, 2012	22.75	23.08	22.75	22.87	3,253	+0.26(+1.15%)
Apr 24, 2012	22.61	22.75	22.61	22.61	2,708	-0.02(-0.09%)
Apr 23, 2012	22.55	22.63	22.49	22.63	5,503	-0.17(-0.75%)
Apr 20, 2012	22.72	22.91	22.72	22.80	1,433	+0.25(+1.11%)
Apr 19, 2012	22.70	22.80	22.52	22.55	2,004	-0.23(-1.01%)
Apr 18, 2012	22.69	22.78	22.69	22.78	4,686	-0.02(-0.07%)
Apr 17, 2012	22.40	22.81	22.40	22.80	4,039	+0.70(+3.15%)
Apr 16, 2012	22.13	22.15	22.05	22.10	88,267	-0.23(-1.03%)
Apr 13, 2012	22.40	22.40	22.27	22.33	2,943	-0.21(-0.93%)
Apr 12, 2012	22.27	22.60	22.27	22.54	11,776	+0.82(+3.78%)
Apr 11, 2012	21.60	21.73	21.60	21.72	10,761	+0.80(+3.82%)
Apr 10, 2012	21.15	21.16	20.92	20.92	3,003	-0.47(-2.20%)
Apr 09, 2012	21.36	21.54	21.34	21.39	2,702	-0.25(-1.16%)
Apr 05, 2012	21.79	21.79	21.60	21.64	3,691	+0.33(+1.55%)
Apr 04, 2012	21.55	21.55	21.30	21.31	3,186	-0.67(-3.05%)
Apr 03, 2012	22.05	22.08	21.86	21.98	8,169	-0.25(-1.12%)
Apr 02, 2012	22.04	22.23	21.99	22.23	950	+0.38(+1.74%)
Mar 30, 2012	21.80	21.95	21.80	21.85	40,859	-0.07(-0.32%)
Mar 29, 2012	21.99	21.99	21.85	21.92	7,519	-0.43(-1.92%)
Mar 28, 2012	22.51	22.52	22.31	22.35	15,085	-0.24(-1.06%)
Mar 27, 2012	22.94	22.94	22.53	22.59	7,618	-0.36(-1.57%)
Mar 26, 2012	22.86	22.98	22.86	22.95	27,639	+0.39(+1.73%)
Mar 23, 2012	22.48	22.60	22.45	22.56	7,811	+0.15(+0.67%)
Mar 22, 2012	22.56	22.56	22.32	22.41	9,138	+0.09(+0.40%)
Mar 21, 2012	22.17	22.40	22.17	22.32	6,929	-0.46(-2.02%)
Mar 20, 2012	22.64	22.78	22.64	22.78	6,534	-0.13(-0.57%)
Mar 19, 2012	22.89	22.93	22.82	22.91	5,132	+0.42(+1.87%)
Mar 16, 2012	22.39	22.57	22.36	22.49	5,035	+0.17(+0.76%)
Mar 15, 2012	22.30	22.41	22.30	22.32	2,529	-0.07(-0.31%)
Mar 14, 2012	22.20	22.50	22.20	22.39	11,190	-0.15(-0.67%)
Mar 13, 2012	22.04	22.54	22.04	22.54	2,569	+0.34(+1.53%)
Mar 12, 2012	22.14	22.27	22.14	22.20	4,107	-0.13(-0.58%)
Mar 09, 2012	22.39	22.47	22.31	22.33	9,179	-0.40(-1.76%)
Mar 08, 2012	22.26	22.73	22.26	22.73	19,168	+0.63(+2.85%)
Mar 07, 2012	21.87	22.12	21.87	22.10	4,246	+0.42(+1.94%)
Mar 06, 2012	21.66	21.68	21.59	21.68	1,979	-0.77(-3.43%)
Mar 05, 2012	22.40	22.45	22.35	22.45	2,446	-0.01(-0.04%)
Mar 02, 2012	22.49	22.49	22.36	22.46	36,656	-0.11(-0.49%)

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