Year	Index 2010=1
1980-01-01	0.485081860914921
1981-01-01	0.509927244424261
1982-01-01	0.537261615798925
1983-01-01	0.562233858114661
1984-01-01	0.584754986282080
1985-01-01	0.607577882568013
1986-01-01	0.628058473788266
1987-01-01	0.641674193801640
1988-01-01	0.638776792232790
1989-01-01	0.660841505900393
1990-01-01	0.692082795621270
1991-01-01	0.734713316778510
1992-01-01	0.768609011773677
1993-01-01	0.806964062325834
1994-01-01	0.807832216512835
1995-01-01	0.804115409144205
1996-01-01	0.812411317878252
1997-01-01	0.811753166565820
1998-01-01	0.821726590406630
1999-01-01	0.840186757832430
2000-01-01	0.847256249973927
2001-01-01	0.879932249872091
2002-01-01	0.889278229836186
2003-01-01	0.889061951226505
2004-01-01	0.885297310709098
2005-01-01	0.891392916692534
2006-01-01	0.908290224313799
2007-01-01	0.928666365936490
2008-01-01	0.965657945456883
2009-01-01	1.012603455896180
2010-01-01	1.000000000000000