Year	Index 2010=1
1987-01-01	0.670693139936011
1988-01-01	0.667215103279291
1989-01-01	0.658588124816722
1990-01-01	0.670866571341752
1991-01-01	0.694023879821772
1992-01-01	0.725489306157709
1993-01-01	0.739834961335121
1994-01-01	0.739692507437246
1995-01-01	0.743148895233032
1996-01-01	0.752142259565984
1997-01-01	0.760456046363503
1998-01-01	0.780650747386610
1999-01-01	0.796473867558411
2000-01-01	0.821370896014777
2001-01-01	0.859814220553554
2002-01-01	0.897943877274876
2003-01-01	0.918334372913771
2004-01-01	0.921462339561352
2005-01-01	0.918486790835399
2006-01-01	0.925016375416223
2007-01-01	0.940081512917710
2008-01-01	0.961995209424146
2009-01-01	1.011820023199450
2010-01-01	1.000000000000000