Year	Index 2010=1
1984-01-01	0.489613944614940
1985-01-01	0.505251696277889
1986-01-01	0.549661504559547
1987-01-01	0.557331961713915
1988-01-01	0.584020226017840
1989-01-01	0.636938183668075
1990-01-01	0.683184415805042
1991-01-01	0.681610834760606
1992-01-01	0.686135569677991
1993-01-01	0.683628249973801
1994-01-01	0.679464044163750
1995-01-01	0.702768009968234
1996-01-01	0.716909635941227
1997-01-01	0.730319149079702
1998-01-01	0.725959647219567
1999-01-01	0.733653243590984
2000-01-01	0.748999871099394
2001-01-01	0.771676047370514
2002-01-01	0.766799064786921
2003-01-01	0.784362296308598
2004-01-01	0.805140678300363
2005-01-01	0.845015861060275
2006-01-01	0.882119807236283
2007-01-01	0.939981075541955
2008-01-01	0.984433919945466
2009-01-01	0.989342815953791
2010-01-01	1.000000000000000