Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	19.66	19.73	19.37	19.47	248,365	-0.20(-1.01%)
May 30, 2012	19.66	19.88	19.60	19.66	493,428	-0.10(-0.50%)
May 29, 2012	19.92	20.17	19.74	19.76	462,110	+0.08(+0.42%)
May 25, 2012	19.64	19.86	19.62	19.68	181,531	-0.02(-0.13%)
May 24, 2012	19.59	19.79	19.51	19.71	166,443	+0.08(+0.42%)
May 23, 2012	19.61	19.71	19.37	19.62	165,599	-0.06(-0.30%)
May 22, 2012	19.88	19.95	19.61	19.68	246,058	-0.13(-0.67%)
May 21, 2012	19.91	19.95	19.69	19.81	268,697	-0.10(-0.50%)
May 18, 2012	20.12	20.20	19.90	19.91	240,499	-0.27(-1.32%)
May 17, 2012	20.70	20.74	20.18	20.18	285,733	-0.51(-2.48%)
May 16, 2012	20.76	20.88	20.63	20.69	460,556	-0.07(-0.32%)
May 15, 2012	20.63	20.83	20.54	20.76	382,621	+0.04(+0.20%)
May 14, 2012	20.44	21.02	20.33	20.72	590,928	+0.06(+0.28%)
May 11, 2012	20.32	20.68	20.25	20.66	462,663	+0.18(+0.89%)
May 10, 2012	20.38	20.54	20.22	20.48	307,885	+0.18(+0.90%)
May 09, 2012	19.93	20.33	19.93	20.30	524,408	+0.01(+0.04%)
May 08, 2012	20.02	20.34	19.88	20.29	374,114	+0.29(+1.45%)
May 07, 2012	19.88	20.06	19.79	20.00	240,818	+0.12(+0.58%)
May 04, 2012	20.07	20.18	19.82	19.88	303,987	-0.17(-0.82%)
May 03, 2012	20.44	20.44	19.99	20.05	357,632	-0.35(-1.70%)
May 02, 2012	20.43	20.59	20.16	20.40	384,701	-0.08(-0.40%)
May 01, 2012	19.83	20.51	19.63	20.48	783,679	+1.34(+6.99%)
Apr 30, 2012	19.08	19.27	19.06	19.14	310,941	-0.04(-0.22%)
Apr 27, 2012	19.04	19.19	18.93	19.18	221,788	+0.15(+0.78%)
Apr 26, 2012	18.83	19.07	18.74	19.03	218,086	+0.13(+0.70%)
Apr 25, 2012	18.78	19.05	18.78	18.90	230,112	+0.26(+1.37%)
Apr 24, 2012	18.42	18.64	18.35	18.64	237,207	+0.17(+0.89%)
Apr 23, 2012	18.52	18.59	18.42	18.48	325,234	-0.21(-1.15%)
Apr 20, 2012	18.68	18.73	18.54	18.69	296,111	+0.18(+0.98%)
Apr 19, 2012	18.58	18.64	18.36	18.51	245,801	-0.11(-0.58%)
Apr 18, 2012	18.62	18.68	18.37	18.62	294,636	-0.12(-0.66%)
Apr 17, 2012	18.46	18.87	18.46	18.74	270,677	+0.37(+2.02%)
Apr 16, 2012	18.31	18.46	18.23	18.37	285,125	+0.09(+0.50%)
Apr 13, 2012	18.46	18.46	18.25	18.28	232,787	-0.21(-1.16%)
Apr 12, 2012	18.36	18.54	18.29	18.50	173,337	+0.13(+0.72%)
Apr 11, 2012	18.42	18.42	18.26	18.36	360,566	+0.06(+0.32%)
Apr 10, 2012	18.39	18.67	18.19	18.31	573,436	-0.08(-0.45%)
Apr 09, 2012	18.27	18.45	18.26	18.39	245,347	-0.14(-0.76%)
Apr 05, 2012	18.40	18.55	18.40	18.53	313,101	+0.13(+0.72%)
Apr 04, 2012	18.48	18.49	18.26	18.40	433,367	-0.26(-1.42%)
Apr 03, 2012	18.84	19.05	18.53	18.66	401,229	-0.21(-1.14%)
Apr 02, 2012	18.78	19.02	18.68	18.88	252,077	+0.01(+0.04%)
Mar 30, 2012	18.85	18.98	18.80	18.87	344,685	+0.11(+0.57%)
Mar 29, 2012	18.63	18.82	18.57	18.76	273,805	+0.01(+0.04%)
Mar 28, 2012	18.69	18.78	18.61	18.75	277,313	+0.04(+0.22%)
Mar 27, 2012	18.60	18.83	18.55	18.71	277,720	+0.07(+0.40%)
Mar 26, 2012	18.55	18.73	18.49	18.64	232,771	+0.22(+1.21%)
Mar 23, 2012	18.21	18.41	18.12	18.41	243,115	+0.17(+0.95%)
Mar 22, 2012	18.11	18.24	18.01	18.24	350,736	-0.02(-0.14%)
Mar 21, 2012	18.51	18.62	18.26	18.26	330,851	-0.26(-1.38%)
Mar 20, 2012	18.52	18.73	18.50	18.52	262,426	-0.21(-1.15%)
Mar 19, 2012	18.97	19.08	18.56	18.73	511,180	-0.31(-1.60%)
Mar 16, 2012	18.83	19.07	18.79	19.04	534,165	+0.23(+1.23%)
Mar 15, 2012	18.64	18.81	18.50	18.81	340,806	+0.17(+0.93%)
Mar 14, 2012	18.74	18.77	18.50	18.64	284,827	-0.18(-0.97%)
Mar 13, 2012	18.64	18.83	18.50	18.82	255,860	+0.32(+1.74%)
Mar 12, 2012	18.58	18.72	18.47	18.50	300,693	-0.12(-0.67%)
Mar 09, 2012	18.40	18.68	18.34	18.62	290,746	+0.31(+1.71%)
Mar 08, 2012	18.58	18.59	18.19	18.31	321,268	-0.12(-0.63%)
Mar 07, 2012	18.25	18.47	18.17	18.42	251,037	+0.17(+0.95%)
Mar 06, 2012	18.19	18.59	18.13	18.25	661,023	-0.17(-0.94%)
Mar 05, 2012	18.47	18.53	18.26	18.42	423,945	-0.05(-0.27%)
Mar 02, 2012	18.63	18.68	18.46	18.47	386,908	-0.15(-0.80%)

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