Year	Index 2010=1
1970-01-01	0.391992812265324
1971-01-01	0.426936235932563
1972-01-01	0.450431750946811
1973-01-01	0.484915614573316
1974-01-01	0.527442197728082
1975-01-01	0.557789264946887
1976-01-01	0.570361109916065
1977-01-01	0.589365178981238
1978-01-01	0.608587135027354
1979-01-01	0.627879972954251
1980-01-01	0.671143914221046
1981-01-01	0.698450084765140
1982-01-01	0.724972565987254
1983-01-01	0.731135423188389
1984-01-01	0.737037140874914
1985-01-01	0.745492068827886
1986-01-01	0.766290542280449
1987-01-01	0.788534602285243
1988-01-01	0.790232455736012
1989-01-01	0.792939758364350
1990-01-01	0.812171860040120
1991-01-01	0.854766013387664
1992-01-01	0.915916537623956
1993-01-01	0.954747921131946
1994-01-01	0.962522980023966
1995-01-01	0.982334594322228
1996-01-01	0.984930510578029
1997-01-01	0.971698814535050
1998-01-01	0.972911712517691
1999-01-01	0.981692303211313
2000-01-01	0.982458505252963
2001-01-01	0.983543976820678
2002-01-01	0.986301121155140
2003-01-01	0.992928630095049
2004-01-01	0.984831569667966
2005-01-01	0.974299707408178
2006-01-01	0.950238954055272
2007-01-01	0.935495453020303
2008-01-01	0.955592154310053
2009-01-01	1.019177790348770
2010-01-01	1.000000000000000