Year	Index 2010=1
1980-01-01	0.486552791159089
1981-01-01	0.538629320930328
1982-01-01	0.585541804473180
1983-01-01	0.604776364813504
1984-01-01	0.633851999622843
1985-01-01	0.650796892580849
1986-01-01	0.635612016097365
1987-01-01	0.624304266836368
1988-01-01	0.617213065678166
1989-01-01	0.646761650518487
1990-01-01	0.657526063697570
1991-01-01	0.697969188697826
1992-01-01	0.741118349295088
1993-01-01	0.772665030629106
1994-01-01	0.783952406043952
1995-01-01	0.816453090649661
1996-01-01	0.830798053143330
1997-01-01	0.822863814044640
1998-01-01	0.844735144518792
1999-01-01	0.881184458667420
2000-01-01	0.863785938028943
2001-01-01	0.877444074304339
2002-01-01	0.896460350133613
2003-01-01	0.894734604890859
2004-01-01	0.887672728400746
2005-01-01	0.869149672193535
2006-01-01	0.856931404819798
2007-01-01	0.896132504958755
2008-01-01	0.959442191340603
2009-01-01	1.000306426310450
2010-01-01	1.000000000000000