Year	Index 2010=1
1978-01-01	0.287118133384438
1979-01-01	0.287726900351169
1980-01-01	0.305950775446718
1981-01-01	0.341219376311103
1982-01-01	0.378029876573405
1983-01-01	0.393670347975109
1984-01-01	0.401779222556411
1985-01-01	0.424485281261472
1986-01-01	0.460912092727174
1987-01-01	0.502411943748792
1988-01-01	0.528185788874316
1989-01-01	0.523605223530716
1990-01-01	0.531571873597849
1991-01-01	0.535294962779323
1992-01-01	0.535239119981968
1993-01-01	0.533003625108012
1994-01-01	0.529050401008223
1995-01-01	0.535741095111300
1996-01-01	0.544508196911933
1997-01-01	0.558023102623480
1998-01-01	0.598634719862249
1999-01-01	0.624509193181017
2000-01-01	0.637085919786104
2001-01-01	0.664135719017396
2002-01-01	0.687128586459356
2003-01-01	0.698464430206246
2004-01-01	0.708891364352626
2005-01-01	0.731567136815611
2006-01-01	0.785748378835685
2007-01-01	0.851921699856235
2008-01-01	0.921439606101579
2009-01-01	0.964157671369388
2010-01-01	1.000000000000000