Year	Percent Change at Annual Rate
1961-01-01	1.56297807914456000
1962-01-01	1.54501285561412000
1963-01-01	1.52674168884866000
1964-01-01	1.49866104257144000
1965-01-01	1.45461315707583000
1966-01-01	1.21077170663024000
1967-01-01	1.21901479114001000
1968-01-01	1.17596572984675000
1969-01-01	1.14004818054003000
1970-01-01	1.13052378304013000
1971-01-01	1.11720936972624000
1972-01-01	1.10296639813185000
1973-01-01	1.08454264388371000
1974-01-01	1.07848366066487000
1975-01-01	1.07329829280471000
1976-01-01	1.10860088250490000
1977-01-01	1.07886506983978000
1978-01-01	1.05569267143359000
1979-01-01	1.03829411751369000
1980-01-01	1.05519990314811000
1981-01-01	1.06307048312419000
1982-01-01	1.00161271036659000
1983-01-01	0.98664754922661800
1984-01-01	1.04521325455760000
1985-01-01	1.03896609177781000
1986-01-01	1.02104073320251000
1987-01-01	1.00758517920363000
1988-01-01	0.96685048430454400
1989-01-01	0.91481065577603700
1990-01-01	0.67050374369790700
1991-01-01	0.51103340471503600
1992-01-01	0.41659990808035700
1993-01-01	0.32249421838335500
1994-01-01	0.16732325251680900
1995-01-01	0.11921434845807300
1996-01-01	0.10388298921711200
1997-01-01	0.10458913849768700
1998-01-01	0.07574739776498520
1999-01-01	0.00507263713187456
2000-01-01	0.03567862546832150
2001-01-01	-0.05394109294137190
2002-01-01	-0.07946516689747800
2003-01-01	0.03725356271874600
2004-01-01	0.08810228803916690
2005-01-01	0.10225838355650300
2006-01-01	0.13837250855723900
2007-01-01	0.17439557729576900
2008-01-01	0.26553215998657700
2009-01-01	0.44001665085666300
2010-01-01	0.50604266541829200
2011-01-01	0.54848024726045700
2012-01-01	0.54773911316925700
2013-01-01	0.60270197857157400
2014-01-01	0.59141738132066700
2015-01-01	0.61213904156154800
2016-01-01	0.59987757698840500
2017-01-01	0.55930871381917800