Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2008	19.28	19.48	19.18	19.23	1,220,215	+0.00(+0.00%)
Apr 29, 2008	19.37	19.37	19.12	19.23	588,580	-0.16(-0.81%)
Apr 28, 2008	19.42	19.51	19.28	19.39	821,451	+0.03(+0.16%)
Apr 25, 2008	19.15	19.40	19.07	19.36	840,175	+0.33(+1.71%)
Apr 24, 2008	19.02	19.16	18.75	19.04	648,143	+0.08(+0.41%)
Apr 23, 2008	18.93	19.07	18.85	18.96	530,332	+0.04(+0.22%)
Apr 22, 2008	19.18	19.18	18.80	18.92	637,189	-0.31(-1.61%)
Apr 21, 2008	19.08	19.24	19.04	19.23	1,843,401	+0.08(+0.43%)
Apr 18, 2008	19.11	19.24	19.00	19.14	1,141,602	+0.29(+1.53%)
Apr 17, 2008	18.90	18.95	18.73	18.85	1,208,831	-0.09(-0.48%)
Apr 16, 2008	18.63	18.97	18.60	18.94	678,865	+0.50(+2.72%)
Apr 15, 2008	18.47	18.70	18.27	18.44	315,673	+0.03(+0.14%)
Apr 14, 2008	18.41	18.49	18.31	18.42	512,472	+0.02(+0.13%)
Apr 11, 2008	18.61	18.61	18.35	18.39	438,924	-0.35(-1.89%)
Apr 10, 2008	18.43	18.78	18.43	18.75	363,851	+0.27(+1.44%)
Apr 09, 2008	18.81	18.81	18.41	18.48	1,501,090	-0.27(-1.44%)
Apr 08, 2008	18.64	18.82	18.57	18.75	532,571	+0.03(+0.19%)
Apr 07, 2008	18.84	18.92	18.64	18.71	270,178	+0.02(+0.13%)
Apr 04, 2008	18.57	18.83	18.51	18.69	439,611	+0.17(+0.94%)
Apr 03, 2008	18.34	18.57	18.34	18.52	669,949	+0.06(+0.33%)
Apr 02, 2008	18.38	18.60	18.21	18.45	633,773	+0.10(+0.56%)
Apr 01, 2008	17.92	18.35	17.90	18.35	2,237,463	+0.55(+3.10%)
Mar 31, 2008	17.70	17.80	17.59	17.80	319,904	+0.16(+0.90%)
Mar 28, 2008	17.82	17.91	17.61	17.64	486,320	-0.16(-0.92%)
Mar 27, 2008	18.07	18.07	17.79	17.80	773,441	-0.24(-1.34%)
Mar 26, 2008	18.03	18.12	17.90	18.05	1,232,620	-0.07(-0.39%)
Mar 25, 2008	18.08	18.17	17.86	18.12	1,662,345	+0.15(+0.85%)
Mar 24, 2008	17.24	18.10	17.24	17.96	3,100,636	+0.48(+2.75%)
Mar 21, 2008	17.12	17.50	16.96	17.48	964,892	+0.00(+0.00%)
Mar 20, 2008	17.12	17.50	16.96	17.48	964,892	+0.36(+2.08%)
Mar 19, 2008	17.82	17.83	17.13	17.13	1,404,518	-0.56(-3.17%)
Mar 18, 2008	17.23	17.72	17.23	17.69	1,474,256	+0.71(+4.17%)
Mar 17, 2008	17.03	17.29	16.82	16.98	802,433	-0.49(-2.79%)
Mar 14, 2008	17.82	17.87	17.25	17.47	1,839,862	-0.31(-1.73%)
Mar 13, 2008	17.23	17.82	17.21	17.78	1,134,747	+0.24(+1.37%)
Mar 12, 2008	17.53	17.76	17.31	17.54	707,802	-0.01(-0.07%)
Mar 11, 2008	17.56	17.65	17.10	17.55	1,699,227	+0.57(+3.38%)
Mar 10, 2008	17.47	17.47	16.96	16.97	1,778,888	-0.43(-2.48%)
Mar 07, 2008	17.52	17.72	17.25	17.41	2,044,377	-0.24(-1.39%)
Mar 06, 2008	17.98	18.12	17.64	17.65	932,613	-0.52(-2.85%)
Mar 05, 2008	18.00	18.27	18.00	18.17	1,490,911	+0.18(+1.01%)
Mar 04, 2008	17.87	18.07	17.73	17.99	1,080,611	-0.12(-0.64%)
Mar 03, 2008	18.12	18.20	17.88	18.10	1,013,451	+0.02(+0.13%)
Feb 29, 2008	18.48	18.54	18.02	18.08	692,786	-0.60(-3.23%)
Feb 28, 2008	18.76	18.83	18.61	18.68	711,085	-0.15(-0.81%)
Feb 27, 2008	18.78	19.02	18.70	18.83	1,377,294	-0.06(-0.33%)
Feb 26, 2008	18.65	19.00	18.60	18.90	2,181,893	+0.24(+1.30%)
Feb 25, 2008	18.18	18.72	18.18	18.65	2,211,796	+0.40(+2.17%)
Feb 22, 2008	18.23	18.27	17.95	18.26	2,314,097	+0.09(+0.49%)
Feb 21, 2008	18.57	18.58	18.15	18.17	1,757,530	-0.25(-1.35%)
Feb 20, 2008	17.80	18.44	17.80	18.42	1,821,636	+0.28(+1.54%)
Feb 19, 2008	18.22	18.35	18.08	18.14	1,023,901	+0.07(+0.40%)
Feb 18, 2008	17.81	18.07	17.78	18.07	0	+0.00(+0.00%)
Feb 15, 2008	17.81	18.07	17.78	18.07	592,807	-0.07(-0.36%)
Feb 14, 2008	18.72	18.72	18.13	18.13	679,955	-0.26(-1.44%)
Feb 13, 2008	18.53	18.53	18.19	18.40	396,520	+0.26(+1.45%)
Feb 12, 2008	18.31	18.39	18.04	18.13	857,741	-0.03(-0.16%)
Feb 11, 2008	17.95	18.20	17.86	18.16	509,235	+0.21(+1.16%)
Feb 08, 2008	17.86	18.07	17.79	17.95	741,844	+0.12(+0.69%)
Feb 07, 2008	17.63	17.97	17.50	17.83	660,644	+0.18(+1.00%)
Feb 06, 2008	18.01	18.07	17.66	17.66	718,059	-0.26(-1.47%)
Feb 05, 2008	18.23	18.25	17.92	17.92	512,788	-0.54(-2.95%)
Feb 04, 2008	18.54	18.59	18.43	18.46	776,267	-0.10(-0.53%)
Feb 01, 2008	18.31	18.59	18.25	18.56	689,182	+0.41(+2.27%)
Jan 31, 2008	17.62	18.26	17.50	18.15	732,851	+0.35(+1.98%)
Jan 30, 2008	17.95	18.78	17.80	17.80	2,352,073	-0.18(-0.98%)
Jan 29, 2008	18.11	18.11	17.82	17.97	430,911	+0.15(+0.85%)
Jan 28, 2008	17.53	17.84	17.33	17.82	662,165	+0.24(+1.37%)
Jan 25, 2008	17.89	17.94	17.50	17.58	863,255	-0.12(-0.65%)
Jan 24, 2008	17.53	17.78	17.44	17.70	1,712,232	+0.35(+1.99%)
Jan 23, 2008	16.71	17.40	16.46	17.35	1,317,708	+0.11(+0.63%)
Jan 22, 2008	16.84	17.69	0.1463	17.25	2,968,972	-0.03(-0.19%)
Jan 21, 2008	17.42	17.59	17.06	17.28	0	+0.00(+0.00%)
Jan 18, 2008	17.42	17.59	17.06	17.28	2,593,635	-0.03(-0.15%)
Jan 17, 2008	17.85	17.99	17.27	17.30	862,431	-0.51(-2.84%)
Jan 16, 2008	17.92	18.08	17.60	17.81	1,129,861	-0.24(-1.32%)
Jan 15, 2008	18.27	18.32	17.99	18.05	567,144	-0.48(-2.57%)
Jan 14, 2008	18.37	18.54	18.32	18.52	358,558	+0.30(+1.63%)
Jan 11, 2008	18.38	18.42	18.15	18.23	619,751	-0.30(-1.60%)
Jan 10, 2008	18.17	18.65	18.12	18.52	708,663	+0.15(+0.83%)
Jan 09, 2008	18.27	18.39	17.93	18.37	898,360	+0.13(+0.72%)
Jan 08, 2008	18.68	18.82	18.24	18.24	1,132,458	-0.41(-2.20%)
Jan 07, 2008	18.82	18.89	18.46	18.65	1,052,160	-0.11(-0.57%)
Jan 04, 2008	19.11	19.11	18.71	18.76	688,189	-0.56(-2.92%)
Jan 03, 2008	19.35	19.49	19.28	19.32	541,954	+0.03(+0.14%)
Jan 02, 2008	19.56	19.61	19.22	19.30	5,865,294	-0.17(-0.85%)
Jan 01, 2008	19.62	19.70	19.46	19.46	0	+0.00(+0.00%)
Dec 31, 2007	19.62	19.70	19.46	19.46	352,041	-0.23(-1.19%)
Dec 28, 2007	19.82	19.85	19.63	19.70	2,156,803	-0.03(-0.13%)
Dec 27, 2007	19.96	19.96	19.67	19.72	674,597	-0.29(-1.45%)
Dec 26, 2007	19.95	20.04	19.91	20.01	847,626	-0.01(-0.03%)
Dec 24, 2007	19.90	20.02	19.86	20.02	436,864	+0.25(+1.28%)
Dec 21, 2007	19.84	19.86	19.71	19.77	952,949	+0.16(+0.84%)
Dec 20, 2007	19.50	19.65	19.28	19.60	1,156,815	+0.25(+1.29%)
Dec 19, 2007	19.34	19.44	19.25	19.35	544,143	-0.01(-0.04%)
Dec 18, 2007	19.42	19.47	19.11	19.36	1,114,140	+0.10(+0.53%)
Dec 17, 2007	19.51	19.53	19.24	19.26	575,158	-0.34(-1.72%)
Dec 14, 2007	19.70	19.80	19.57	19.59	382,828	-0.27(-1.34%)
Dec 13, 2007	19.82	19.88	19.64	19.86	791,301	-0.03(-0.18%)
Dec 12, 2007	20.16	20.22	19.68	19.90	433,658	+0.14(+0.70%)
Dec 11, 2007	20.33	20.37	19.73	19.76	1,098,113	-0.56(-2.74%)
Dec 10, 2007	20.24	20.37	20.21	20.32	408,014	+0.16(+0.81%)
Dec 07, 2007	20.20	20.23	20.11	20.15	794,964	+0.02(+0.08%)
Dec 06, 2007	19.70	20.15	19.70	20.14	943,031	+0.39(+1.96%)
Dec 05, 2007	19.71	19.81	19.61	19.75	590,728	+0.22(+1.15%)
Dec 04, 2007	19.41	19.57	19.39	19.52	824,271	-0.02(-0.09%)
Dec 03, 2007	19.59	19.67	19.51	19.54	419,462	-0.03(-0.17%)
Nov 30, 2007	19.70	19.70	19.46	19.58	278,878	+0.11(+0.57%)
Nov 29, 2007	19.27	19.49	19.27	19.46	600,802	+0.03(+0.16%)
Nov 28, 2007	18.97	19.48	18.97	19.43	796,443	+0.53(+2.80%)
Nov 27, 2007	18.78	18.93	18.66	18.90	622,325	+0.27(+1.47%)
Nov 26, 2007	19.03	19.07	18.63	18.63	506,927	-0.29(-1.52%)
Nov 23, 2007	18.78	18.99	18.75	18.92	648,427	+0.26(+1.37%)
Nov 21, 2007	18.74	18.88	18.59	18.66	635,147	-0.22(-1.17%)
Nov 20, 2007	18.94	19.16	18.69	18.88	942,417	-0.06(-0.30%)
Nov 19, 2007	19.15	19.18	18.89	18.94	568,289	-0.33(-1.70%)
Nov 16, 2007	19.36	19.36	19.08	19.27	299,485	-0.03(-0.17%)
Nov 15, 2007	19.49	19.53	19.18	19.30	754,666	-0.25(-1.28%)
Nov 14, 2007	19.69	19.76	19.48	19.55	382,370	+0.02(+0.09%)
Nov 13, 2007	19.28	19.59	19.28	19.53	270,178	+0.47(+2.46%)
Nov 12, 2007	19.65	19.65	19.06	19.06	575,662	-0.38(-1.94%)
Nov 09, 2007	19.38	19.66	19.38	19.44	296,962	-0.34(-1.71%)
Nov 08, 2007	19.92	19.92	19.38	19.78	919,063	-0.06(-0.31%)
Nov 07, 2007	19.98	20.09	19.75	19.84	600,344	-0.35(-1.73%)
Nov 06, 2007	19.97	20.20	19.89	20.19	220,355	+0.32(+1.62%)
Nov 05, 2007	19.83	20.03	19.81	19.87	1,249,229	-0.22(-1.11%)
Nov 02, 2007	20.17	20.18	19.93	20.09	348,941	+0.03(+0.15%)
Nov 01, 2007	20.24	20.30	20.06	20.06	975,388	-0.40(-1.97%)
Oct 31, 2007	20.18	20.48	20.15	20.47	595,307	+0.39(+1.96%)
Oct 30, 2007	20.17	20.22	20.07	20.07	594,849	-0.21(-1.05%)
Oct 29, 2007	20.28	20.30	20.18	20.29	266,056	+0.08(+0.38%)
Oct 26, 2007	20.23	20.27	20.04	20.21	392,445	+0.19(+0.95%)
Oct 25, 2007	20.04	20.08	19.76	20.02	827,477	+0.01(+0.07%)
Oct 24, 2007	19.92	20.02	19.68	20.01	955,697	-0.02(-0.09%)
Oct 23, 2007	19.93	20.02	19.79	20.02	2,984,780	+0.18(+0.92%)
Oct 22, 2007	19.55	19.89	19.48	19.84	494,563	+0.21(+1.09%)
Oct 19, 2007	20.16	20.18	19.63	19.63	381,912	-0.60(-2.96%)
Oct 18, 2007	20.07	20.28	20.01	20.23	215,684	+0.04(+0.18%)
Oct 17, 2007	20.28	20.31	19.97	20.19	275,215	+0.08(+0.39%)
Oct 16, 2007	20.29	20.30	20.11	20.11	194,161	-0.21(-1.04%)
Oct 15, 2007	20.47	20.47	20.19	20.32	242,244	-0.07(-0.33%)
Oct 12, 2007	20.44	20.47	20.36	20.39	324,671	+0.01(+0.03%)
Oct 11, 2007	20.64	20.68	20.25	20.38	365,885	-0.14(-0.70%)
Oct 10, 2007	20.51	20.57	20.40	20.53	343,904	+0.00(+0.00%)
Oct 09, 2007	20.38	20.53	20.34	20.53	637,436	+0.23(+1.14%)
Oct 08, 2007	20.37	20.46	20.27	20.30	257,356	-0.09(-0.46%)
Oct 05, 2007	20.19	20.42	20.19	20.39	366,801	+0.32(+1.60%)
Oct 04, 2007	20.12	20.13	20.04	20.07	294,448	-0.04(-0.18%)
Oct 03, 2007	20.09	20.18	20.01	20.11	289,411	+0.03(+0.17%)
Oct 02, 2007	20.04	20.16	20.02	20.07	326,045	+0.07(+0.34%)
Oct 01, 2007	19.80	20.04	19.80	20.00	2,878,998	+0.26(+1.29%)
Sep 28, 2007	19.86	19.91	19.71	19.75	348,941	-0.06(-0.32%)
Sep 27, 2007	19.74	19.82	19.73	19.81	456,555	+0.14(+0.69%)
Sep 26, 2007	19.62	19.71	19.57	19.68	498,226	+0.11(+0.58%)
Sep 25, 2007	19.42	19.57	19.37	19.56	310,017	-0.00(-0.02%)
Sep 24, 2007	19.70	19.73	19.51	19.57	450,144	-0.09(-0.48%)
Sep 21, 2007	19.74	19.79	19.66	19.66	690,098	+0.03(+0.17%)
Sep 20, 2007	19.74	19.77	19.58	19.63	385,118	-0.14(-0.69%)
Sep 19, 2007	19.81	19.97	19.68	19.76	1,793,249	+0.07(+0.35%)
Sep 18, 2007	19.27	19.70	19.17	19.69	448,770	+0.55(+2.86%)
Sep 17, 2007	19.28	19.28	19.12	19.14	299,485	-0.12(-0.65%)
Sep 14, 2007	19.05	19.30	19.02	19.27	405,267	+0.09(+0.49%)
Sep 13, 2007	19.22	19.32	19.12	19.17	396,566	+0.05(+0.24%)
Sep 12, 2007	19.04	19.24	19.04	19.13	566,915	+0.03(+0.17%)
Sep 11, 2007	18.95	19.11	18.92	19.10	373,669	+0.26(+1.36%)
Sep 10, 2007	19.06	19.11	18.65	18.84	846,710	-0.12(-0.63%)
Sep 07, 2007	19.06	19.13	18.91	18.96	602,176	-0.36(-1.86%)
Sep 06, 2007	19.31	19.37	19.14	19.32	927,305	+0.05(+0.26%)
Sep 05, 2007	19.24	19.29	19.14	19.27	412,135	-0.10(-0.50%)
Sep 04, 2007	19.09	19.47	19.07	19.37	5,818,902	+0.26(+1.34%)
Aug 31, 2007	19.00	19.18	18.92	19.11	286,663	+0.30(+1.59%)
Aug 30, 2007	18.78	18.97	18.76	18.81	321,466	-0.10(-0.54%)
Aug 29, 2007	18.64	18.97	18.53	18.92	1,000,116	+0.44(+2.39%)
Aug 28, 2007	18.81	18.83	18.47	18.47	863,653	-0.43(-2.26%)
Aug 27, 2007	19.07	19.09	18.90	18.90	7,368,533	-0.23(-1.22%)
Aug 24, 2007	18.83	19.14	18.77	19.14	1,600,461	+0.35(+1.85%)
Aug 23, 2007	19.00	19.00	18.74	18.79	1,327,077	-0.11(-0.58%)
Aug 22, 2007	18.80	18.93	18.75	18.90	546,767	+0.30(+1.63%)
Aug 21, 2007	18.52	18.66	18.49	18.59	1,212,595	+0.00(+0.02%)
Aug 20, 2007	18.56	18.68	18.38	18.59	848,084	+0.08(+0.45%)
Aug 17, 2007	18.56	18.76	18.22	18.51	672,697	+0.32(+1.74%)
Aug 16, 2007	18.02	18.20	17.68	18.19	780,310	-0.00(-0.01%)
Aug 15, 2007	18.60	18.79	18.17	18.19	7,364,869	-0.40(-2.16%)
Aug 14, 2007	18.99	18.99	18.59	18.59	216,600	-0.32(-1.70%)
Aug 13, 2007	19.15	19.17	18.91	18.92	421,294	-0.00(-0.01%)
Aug 10, 2007	18.65	19.08	18.58	18.92	361,305	-0.05(-0.26%)
Aug 09, 2007	19.05	19.34	18.95	18.97	453,349	-0.38(-1.94%)
Aug 08, 2007	19.19	19.55	19.15	19.34	897,998	+0.25(+1.29%)
Aug 07, 2007	18.81	19.16	18.80	19.10	393,818	+0.28(+1.47%)
Aug 06, 2007	18.71	18.90	18.44	18.82	923,184	+0.12(+0.67%)
Aug 03, 2007	18.85	19.18	18.68	18.70	438,237	-0.49(-2.54%)
Aug 02, 2007	19.04	19.18	18.95	19.18	351,689	+0.26(+1.38%)
Aug 01, 2007	18.97	19.04	18.65	18.92	1,584,891	+0.05(+0.24%)
Jul 31, 2007	19.28	19.39	18.87	18.87	536,692	-0.24(-1.26%)
Jul 30, 2007	18.92	19.22	18.90	19.11	310,933	+0.27(+1.44%)
Jul 27, 2007	19.10	19.29	18.81	18.84	658,043	-0.29(-1.52%)
Jul 26, 2007	19.23	19.45	18.94	19.13	905,325	-0.44(-2.26%)
Jul 25, 2007	19.72	19.77	19.40	19.58	1,220,380	-0.06(-0.30%)
Jul 24, 2007	19.86	19.86	19.53	19.64	445,564	-0.37(-1.83%)
Jul 23, 2007	20.16	20.16	19.99	20.00	406,182	-0.03(-0.16%)
Jul 20, 2007	20.17	20.20	19.94	20.04	188,208	-0.19(-0.92%)
Jul 19, 2007	20.29	20.29	20.19	20.22	280,252	+0.06(+0.30%)
Jul 18, 2007	20.11	20.16	19.97	20.16	244,991	-0.05(-0.24%)
Jul 17, 2007	20.23	20.32	20.21	20.21	643,390	-0.02(-0.09%)
Jul 16, 2007	20.30	20.31	20.17	20.23	854,495	-0.07(-0.33%)
Jul 13, 2007	20.25	20.34	20.23	20.29	171,265	+0.07(+0.35%)
Jul 12, 2007	20.15	20.28	20.12	20.22	370,006	+0.23(+1.13%)
Jul 11, 2007	19.92	20.00	19.79	20.00	457,928	+0.15(+0.76%)
Jul 10, 2007	19.99	20.04	19.85	19.85	397,482	-0.26(-1.29%)
Jul 09, 2007	20.16	20.16	20.00	20.11	186,377	+0.02(+0.09%)
Jul 06, 2007	19.96	20.11	19.91	20.09	362,221	+0.14(+0.70%)
Jul 05, 2007	19.97	19.98	19.84	19.95	365,885	-0.01(-0.07%)
Jul 03, 2007	19.89	19.98	19.89	19.96	207,899	+0.12(+0.58%)
Jul 02, 2007	19.75	19.85	19.74	19.85	538,982	+0.16(+0.82%)
Jun 29, 2007	19.73	19.81	19.55	19.68	368,174	-0.03(-0.13%)
Jun 28, 2007	19.66	19.82	19.69	19.71	311,849	-0.00(-0.02%)
Jun 27, 2007	19.36	19.71	19.36	19.71	592,559	+0.28(+1.44%)
Jun 26, 2007	19.65	19.65	19.44	19.44	360,390	-0.10(-0.51%)
Jun 25, 2007	19.72	19.75	19.51	19.54	482,657	-0.20(-1.00%)
Jun 22, 2007	19.84	19.84	19.61	19.73	722,611	-0.15(-0.76%)
Jun 21, 2007	19.74	19.90	19.64	19.88	408,472	+0.14(+0.71%)
Jun 20, 2007	19.98	20.00	19.74	19.74	263,767	-0.16(-0.81%)
Jun 19, 2007	19.86	19.95	19.82	19.90	501,890	-0.04(-0.21%)
Jun 18, 2007	20.02	20.02	19.90	19.95	428,621	-0.01(-0.04%)
Jun 15, 2007	20.06	20.08	19.93	19.96	293,990	+0.08(+0.38%)
Jun 14, 2007	19.74	19.91	19.74	19.88	854,037	+0.16(+0.80%)
Jun 13, 2007	19.53	19.73	19.53	19.72	213,394	+0.24(+1.22%)
Jun 12, 2007	19.63	19.69	19.48	19.48	261,019	-0.19(-0.99%)
Jun 11, 2007	19.64	19.75	19.58	19.68	193,703	+0.01(+0.03%)
Jun 08, 2007	19.41	19.67	19.37	19.67	383,286	+0.25(+1.28%)
Jun 07, 2007	19.76	19.84	19.42	19.42	2,291,018	-0.44(-2.23%)
Jun 06, 2007	19.97	19.99	19.81	19.87	368,632	-0.22(-1.12%)
Jun 05, 2007	20.16	20.16	20.01	20.09	440,069	-0.10(-0.49%)
Jun 04, 2007	20.07	20.21	20.05	20.19	468,461	+0.08(+0.41%)
Jun 01, 2007	20.09	20.15	20.05	20.11	257,356	+0.12(+0.60%)
May 31, 2007	19.94	20.04	19.90	19.99	665,370	+0.10(+0.53%)
May 30, 2007	19.53	19.88	19.53	19.88	475,788	+0.21(+1.04%)
May 29, 2007	19.64	19.74	19.61	19.68	493,189	+0.09(+0.45%)
May 25, 2007	19.52	19.60	19.48	19.59	328,335	+0.13(+0.66%)
May 24, 2007	19.72	19.84	19.43	19.46	534,860	-0.27(-1.37%)
May 23, 2007	19.78	19.89	19.73	19.73	412,135	-0.03(-0.15%)
May 22, 2007	19.70	19.81	19.70	19.76	270,635	+0.02(+0.10%)
May 21, 2007	19.54	19.79	19.54	19.74	310,933	+0.21(+1.06%)
May 18, 2007	19.43	19.58	19.42	19.53	305,438	+0.10(+0.51%)
May 17, 2007	19.32	19.50	19.28	19.44	635,147	+0.09(+0.49%)
May 16, 2007	19.25	19.34	19.14	19.34	194,161	+0.12(+0.61%)
May 15, 2007	19.27	19.43	19.21	19.22	385,576	-0.05(-0.27%)
May 14, 2007	19.37	19.43	19.24	19.28	296,279	-0.11(-0.56%)
May 11, 2007	19.27	19.39	19.23	19.39	219,347	+0.20(+1.02%)
May 10, 2007	19.37	19.45	19.18	19.19	213,394	-0.28(-1.46%)
May 09, 2007	19.27	19.54	19.27	19.47	275,215	+0.10(+0.51%)
May 08, 2007	19.26	19.37	19.14	19.37	286,663	+0.04(+0.21%)
May 07, 2007	19.34	19.38	19.31	19.33	280,252	-0.03(-0.14%)
May 04, 2007	19.29	19.37	19.27	19.36	261,019	+0.11(+0.58%)
May 03, 2007	19.23	19.29	19.18	19.25	1,075,674	+0.02(+0.09%)
May 02, 2007	19.00	19.26	19.00	19.23	232,169	+0.23(+1.22%)

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