Year	Index 2010=1
1975-01-01	0.320335909538632
1976-01-01	0.366808514632404
1977-01-01	0.391587497462387
1978-01-01	0.401524813854000
1979-01-01	0.426348026210351
1980-01-01	0.473222276918939
1981-01-01	0.528800851292431
1982-01-01	0.570440216865421
1983-01-01	0.604632130739189
1984-01-01	0.647233840329952
1985-01-01	0.682011227711604
1986-01-01	0.705720670316217
1987-01-01	0.733371549798784
1988-01-01	0.778836140718492
1989-01-01	0.825612217357155
1990-01-01	0.894116050617501
1991-01-01	0.935607391017380
1992-01-01	0.905319620463023
1993-01-01	0.854393957260887
1994-01-01	0.825163016609474
1995-01-01	0.857819508399982
1996-01-01	0.860362134863339
1997-01-01	0.855378666009246
1998-01-01	0.861441774202150
1999-01-01	0.867438478213742
2000-01-01	0.865609992123664
2001-01-01	0.889082089423899
2002-01-01	0.889226197962852
2003-01-01	0.889536456642753
2004-01-01	0.876775661244482
2005-01-01	0.892533347038576
2006-01-01	0.891820393024221
2007-01-01	0.883412944920742
2008-01-01	0.937861747683736
2009-01-01	1.035226206543510
2010-01-01	1.000000000000000