Year	Index 2010=1
1970-01-01	0.189453110740642
1971-01-01	0.199395343810932
1972-01-01	0.211402695132003
1973-01-01	0.228127113133251
1974-01-01	0.261769272038042
1975-01-01	0.297837805955072
1976-01-01	0.324848927756396
1977-01-01	0.350450857334586
1978-01-01	0.367814607945612
1979-01-01	0.396698068586890
1980-01-01	0.442096654591770
1981-01-01	0.517040908218456
1982-01-01	0.570608419169189
1983-01-01	0.581435458212042
1984-01-01	0.606326485772791
1985-01-01	0.626649037117871
1986-01-01	0.643969088909786
1987-01-01	0.674620973399375
1988-01-01	0.714078431953582
1989-01-01	0.748317474992950
1990-01-01	0.780278703465652
1991-01-01	0.818393764968887
1992-01-01	0.816439931486628
1993-01-01	0.812896909416420
1994-01-01	0.797857429188046
1995-01-01	0.808013394011074
1996-01-01	0.827244105781913
1997-01-01	0.851939264786256
1998-01-01	0.869389589327434
1999-01-01	0.866147624990046
2000-01-01	0.893751793866738
2001-01-01	0.897961538731318
2002-01-01	0.890558246642473
2003-01-01	0.906315225406447
2004-01-01	0.930465004298440
2005-01-01	0.943405397476983
2006-01-01	0.967897184247787
2007-01-01	0.989402525419336
2008-01-01	0.995727092995031
2009-01-01	0.991331703890705
2010-01-01	1.000000000000000