Year	Index 2010=1
1974-01-01	0.196286251247155
1975-01-01	0.191538710566027
1976-01-01	0.227554536475964
1977-01-01	0.240063529626991
1978-01-01	0.255855084067347
1979-01-01	0.312959897101163
1980-01-01	0.343745452727717
1981-01-01	0.381708987641707
1982-01-01	0.417026945011115
1983-01-01	0.469047535659307
1984-01-01	0.566765772278120
1985-01-01	0.599961232047865
1986-01-01	0.636558370409051
1987-01-01	0.632170025763932
1988-01-01	0.674645889970467
1989-01-01	0.738318286802486
1990-01-01	0.727223226756334
1991-01-01	0.740222662780556
1992-01-01	0.743534621003288
1993-01-01	0.716542161488024
1994-01-01	0.806213430368487
1995-01-01	0.855396009976054
1996-01-01	0.839333012595805
1997-01-01	0.903585002116802
1998-01-01	0.877337733201653
1999-01-01	0.896795487760202
2000-01-01	0.980967420212766
2001-01-01	0.991688829787234
2002-01-01	0.972157579787234
2003-01-01	0.970246010638298
2004-01-01	1.011968085106380
2005-01-01	0.997340425531915
2006-01-01	1.100897606382980
2007-01-01	1.171875000000000
2008-01-01	1.190741356382980
2009-01-01	0.933510638297872
2010-01-01	1.000000000000000
2011-01-01	1.080867686170210
2012-01-01	1.062500000000000