Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2013	20.91	20.96	20.84	20.95	117,824	+0.08(+0.36%)
Apr 29, 2013	20.86	20.91	20.85	20.87	71,054	+0.07(+0.35%)
Apr 26, 2013	20.81	20.82	20.71	20.80	77,648	-0.04(-0.20%)
Apr 25, 2013	20.80	20.97	20.80	20.84	124,996	+0.13(+0.60%)
Apr 24, 2013	20.63	20.77	20.63	20.72	31,802	+0.15(+0.71%)
Apr 23, 2013	20.36	20.58	20.35	20.57	168,960	+0.36(+1.80%)
Apr 22, 2013	20.19	20.25	20.02	20.21	114,363	+0.02(+0.08%)
Apr 19, 2013	20.06	20.19	19.98	20.19	90,516	+0.27(+1.35%)
Apr 18, 2013	20.12	20.12	19.86	19.92	458,907	-0.20(-1.01%)
Apr 17, 2013	20.34	20.37	19.96	20.12	204,988	-0.41(-2.01%)
Apr 16, 2013	20.45	20.55	20.30	20.54	117,517	+0.26(+1.27%)
Apr 15, 2013	20.73	20.79	20.27	20.28	316,781	-0.46(-2.20%)
Apr 12, 2013	20.69	20.78	20.63	20.74	163,162	-0.14(-0.66%)
Apr 11, 2013	20.83	20.99	20.77	20.87	134,780	+0.03(+0.14%)
Apr 10, 2013	20.62	20.89	20.62	20.85	105,238	+0.27(+1.32%)
Apr 09, 2013	20.52	20.68	20.48	20.57	229,279	+0.09(+0.46%)
Apr 08, 2013	20.26	20.48	20.20	20.48	167,375	+0.17(+0.85%)
Apr 05, 2013	20.06	20.32	20.00	20.31	118,815	-0.05(-0.26%)
Apr 04, 2013	20.20	20.36	20.18	20.36	363,168	+0.17(+0.85%)
Apr 03, 2013	20.63	20.63	20.11	20.19	3,293,827	-0.41(-2.00%)
Apr 02, 2013	20.54	20.65	20.54	20.60	106,679	+0.06(+0.30%)
Apr 01, 2013	20.65	20.76	20.49	20.54	674,982	-0.16(-0.77%)
Mar 28, 2013	20.70	20.71	20.62	20.70	237,026	-0.02(-0.12%)
Mar 27, 2013	20.67	20.72	20.57	20.72	57,956	-0.04(-0.21%)
Mar 26, 2013	20.73	20.79	20.64	20.77	113,212	+0.13(+0.62%)
Mar 25, 2013	20.77	20.83	20.54	20.64	168,650	-0.05(-0.26%)
Mar 22, 2013	20.69	20.74	20.60	20.69	84,010	+0.08(+0.38%)
Mar 21, 2013	20.77	20.86	20.61	20.62	194,713	-0.27(-1.30%)
Mar 20, 2013	20.87	20.95	20.84	20.89	173,228	+0.14(+0.69%)
Mar 19, 2013	20.94	20.97	20.65	20.74	177,847	-0.12(-0.56%)
Mar 18, 2013	20.80	20.95	20.75	20.86	131,065	-0.21(-1.01%)
Mar 15, 2013	20.96	21.09	20.89	21.07	179,699	+0.11(+0.52%)
Mar 14, 2013	20.89	20.98	20.89	20.97	114,557	+0.14(+0.69%)
Mar 13, 2013	20.77	20.85	20.71	20.82	72,016	+0.08(+0.38%)
Mar 12, 2013	20.86	20.89	20.69	20.74	181,151	-0.15(-0.70%)
Mar 11, 2013	20.73	20.93	20.68	20.89	251,757	+0.16(+0.78%)
Mar 08, 2013	20.85	20.85	20.59	20.73	247,000	+0.03(+0.17%)
Mar 07, 2013	20.54	20.70	20.52	20.69	190,098	+0.19(+0.93%)
Mar 06, 2013	20.42	20.57	20.38	20.50	297,781	+0.21(+1.04%)
Mar 05, 2013	20.28	20.43	20.27	20.29	93,628	+0.14(+0.69%)
Mar 04, 2013	19.87	20.15	19.86	20.15	86,256	+0.22(+1.11%)
Mar 01, 2013	19.76	19.99	19.62	19.93	150,659	+0.04(+0.22%)
Feb 28, 2013	19.90	20.03	19.85	19.89	208,653	-0.05(-0.24%)
Feb 27, 2013	19.62	19.97	19.59	19.93	107,203	+0.32(+1.64%)
Feb 26, 2013	19.60	19.69	19.44	19.61	212,213	+0.07(+0.38%)
Feb 25, 2013	20.20	20.20	19.54	19.54	98,753	-0.53(-2.66%)
Feb 22, 2013	19.97	20.07	19.93	20.07	66,415	+0.23(+1.13%)
Feb 21, 2013	19.97	19.97	19.78	19.85	118,801	-0.19(-0.94%)
Feb 20, 2013	20.35	20.37	20.02	20.03	219,403	-0.34(-1.66%)
Feb 19, 2013	20.25	20.41	20.25	20.37	114,560	+0.14(+0.71%)
Feb 15, 2013	20.37	20.37	20.17	20.23	113,431	-0.09(-0.45%)
Feb 14, 2013	20.14	20.34	20.14	20.32	114,669	+0.11(+0.56%)
Feb 13, 2013	20.34	20.34	20.16	20.21	83,626	-0.08(-0.42%)
Feb 12, 2013	20.12	20.32	20.12	20.29	166,364	+0.21(+1.04%)
Feb 11, 2013	20.05	20.14	19.99	20.08	274,064	+0.04(+0.19%)
Feb 08, 2013	20.02	20.07	19.99	20.04	151,219	+0.05(+0.27%)
Feb 07, 2013	20.07	20.10	19.83	19.99	287,555	-0.07(-0.37%)
Feb 06, 2013	19.91	20.07	19.89	20.07	131,960	+0.36(+1.82%)
Feb 04, 2013	19.80	19.84	19.69	19.71	158,371	-0.24(-1.22%)

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