Year	Index 2010=1
1990-01-01	0.692510294947275
1991-01-01	0.700253302803635
1992-01-01	0.693685396502217
1993-01-01	0.683571737304259
1994-01-01	0.701040063546239
1995-01-01	0.708575120710445
1996-01-01	0.731516126802634
1997-01-01	0.744243797470353
1998-01-01	0.752024708040669
1999-01-01	0.731539936119442
2000-01-01	0.714955372743055
2001-01-01	0.737503685081462
2002-01-01	0.750184240696719
2003-01-01	0.774882897146666
2004-01-01	0.800814684739671
2005-01-01	0.841732164157999
2006-01-01	0.884369515492935
2007-01-01	0.895361912637038
2008-01-01	0.948874960407539
2009-01-01	0.981938557481508
2010-01-01	1.000000000000000