Year	Index 2010=1
1990-01-01	0.747898964741672
1991-01-01	0.756542796285070
1992-01-01	0.741043605933436
1993-01-01	0.729355991608152
1994-01-01	0.747017589108782
1995-01-01	0.755243740631203
1996-01-01	0.769787800487111
1997-01-01	0.772928983829517
1998-01-01	0.774461498170534
1999-01-01	0.765143460653957
2000-01-01	0.746432072712344
2001-01-01	0.794238943102882
2002-01-01	0.807795161124273
2003-01-01	0.827506078392238
2004-01-01	0.847678538816167
2005-01-01	0.884700874860708
2006-01-01	0.933310451388584
2007-01-01	0.951765403461574
2008-01-01	0.988675258570550
2009-01-01	0.994940776034988
2010-01-01	1.000000000000000