Year	Percent Change at Annual Rate
1960-01-01	0.839368835223660
1961-01-01	0.794353922504427
1962-01-01	0.803401556503080
1963-01-01	0.756123515554719
1964-01-01	0.755402813635902
1965-01-01	0.777327076680891
1966-01-01	0.798379881806135
1967-01-01	0.836536531640014
1968-01-01	0.840602106098354
1969-01-01	0.814728248605471
1970-01-01	0.726516019496402
1971-01-01	0.701293381393909
1972-01-01	0.764803002233718
1973-01-01	0.699504829551889
1974-01-01	0.620349415188391
1975-01-01	0.551888897314436
1976-01-01	0.469013919500022
1977-01-01	0.422661319522559
1978-01-01	0.381788582949308
1979-01-01	0.340565570067307
1980-01-01	0.321225575570377
1981-01-01	0.344079656076061
1982-01-01	0.367278280054002
1983-01-01	0.331060292406033
1984-01-01	0.282202672828762
1985-01-01	0.299471500364252
1986-01-01	0.356688643730966
1987-01-01	0.468049546752802
1988-01-01	0.537922759339233
1989-01-01	0.412807534785616
1990-01-01	0.344151412835214
1991-01-01	0.476503585004921
1992-01-01	0.577180268126687
1993-01-01	0.595229330181600
1994-01-01	0.569388227765026
1995-01-01	0.519125519812519
1996-01-01	0.506881682762136
1997-01-01	0.542219936029310
1998-01-01	0.595410343346654
1999-01-01	0.684759433412698
2000-01-01	0.649044821192665
2001-01-01	0.506046910557235
2002-01-01	0.539290805050494
2003-01-01	0.586532691986894
2004-01-01	0.590930939690253
2005-01-01	0.681072964187373
2006-01-01	0.805392739160981
2007-01-01	1.034734515278270
2008-01-01	1.246333015351670
2009-01-01	1.261127289376800
2010-01-01	1.245666179562070
2011-01-01	1.297189390693000
2012-01-01	1.313440988689850
2013-01-01	1.209141589301360
2014-01-01	1.127736677349280
2015-01-01	1.026533320229620
2016-01-01	0.849521232088731
2017-01-01	0.907207330549304