Year	Index 2010=1
1975-01-01	0.0956907224729422
1976-01-01	0.1096289787930830
1977-01-01	0.1286792603538480
1978-01-01	0.1416989496385640
1979-01-01	0.1641039977634890
1980-01-01	0.2028835017372900
1981-01-01	0.2414233795279360
1982-01-01	0.2750509205639200
1983-01-01	0.2980550341467310
1984-01-01	0.3278884939494390
1985-01-01	0.3645113622748510
1986-01-01	0.3917488717600540
1987-01-01	0.4062063181436960
1988-01-01	0.4226606493869560
1989-01-01	0.4513359159710850
1990-01-01	0.4727425216662010
1991-01-01	0.4899157314589240
1992-01-01	0.5015376013419070
1993-01-01	0.5143176644434680
1994-01-01	0.5317305004193460
1995-01-01	0.5496625264587250
1996-01-01	0.5574104397140460
1997-01-01	0.5772195375214660
1998-01-01	0.5984663924278130
1999-01-01	0.6279004752585970
2000-01-01	0.6757857741922600
2001-01-01	0.7741123846799000
2002-01-01	0.8233955030152960
2003-01-01	0.8460002396261830
2004-01-01	0.8698829825472260
2005-01-01	0.8958824234194660
2006-01-01	0.9307080953712210
2007-01-01	0.9665721474499780
2008-01-01	1.0036343304445100
2009-01-01	0.9895762610327890
2010-01-01	1.0000000000000000
2011-01-01	0.9732816805782980
2012-01-01	0.9753983785294940