Year	Percent Change at Annual Rate
1960-01-01	0.255805623267688
1961-01-01	0.319487017810848
1962-01-01	0.391157254376809
1963-01-01	0.429454961341024
1964-01-01	0.410139552228744
1965-01-01	0.351974418585594
1966-01-01	0.284248989694601
1967-01-01	0.244147667635857
1968-01-01	0.243974626105013
1969-01-01	0.300560936160029
1970-01-01	0.392230572008732
1971-01-01	0.495737969790851
1972-01-01	0.584039078405571
1973-01-01	0.633753620408980
1974-01-01	0.641213236631729
1975-01-01	0.609493236702290
1976-01-01	0.571455601706906
1977-01-01	0.540075633422782
1978-01-01	0.500385955548492
1979-01-01	0.456896022162463
1980-01-01	0.404076271289996
1981-01-01	0.350701167321353
1982-01-01	0.300244247793898
1983-01-01	0.266347364844518
1984-01-01	0.264856122228772
1985-01-01	0.286040377610054
1986-01-01	0.316779416778936
1987-01-01	0.340237561060854
1988-01-01	0.354944205498622
1989-01-01	0.359470255904267
1990-01-01	0.352421916337976
1991-01-01	0.345443352130466
1992-01-01	0.347305486658809
1993-01-01	0.344583062703921
1994-01-01	0.351354173984806
1995-01-01	0.356917732114067
1996-01-01	0.370314285844198
1997-01-01	0.376440477788987
1998-01-01	0.375775126934399
1999-01-01	0.362097878835278
2000-01-01	0.343375698626051
2001-01-01	0.310065147440042
2002-01-01	0.292532159335280
2003-01-01	0.286904135477815
2004-01-01	0.305492683707638
2005-01-01	0.335587958887715
2006-01-01	0.375195322918462
2007-01-01	0.403129055405472
2008-01-01	0.422427177799824
2009-01-01	0.414186551174904
2010-01-01	0.393879790063157
2011-01-01	0.368459991630948
2012-01-01	0.350062436580856
2013-01-01	0.327605266641372
2014-01-01	0.309598864704529
2015-01-01	0.293163377114116
2016-01-01	0.273711417814496
2017-01-01	0.253366526820706