Year	Percent of Working-Age Population
1960-01-01	9.57572524148467
1961-01-01	9.78607749952002
1962-01-01	9.95355930624113
1963-01-01	10.09911649799450
1964-01-01	10.25496908800390
1965-01-01	10.44185570976890
1966-01-01	10.66595895451760
1967-01-01	10.90458245805300
1968-01-01	11.15596976871100
1969-01-01	11.41598700112100
1970-01-01	11.68556676715910
1971-01-01	11.99843684448690
1972-01-01	12.29281372480110
1973-01-01	12.58995162929390
1974-01-01	12.91949746569810
1975-01-01	13.29327985645560
1976-01-01	13.72961302982340
1977-01-01	14.19632148314100
1978-01-01	14.63161515825600
1979-01-01	14.94525059933720
1980-01-01	15.09466148365400
1981-01-01	15.12905740620640
1982-01-01	15.02481514273490
1983-01-01	14.84715566221970
1984-01-01	14.68034128293620
1985-01-01	14.57523437591150
1986-01-01	14.62049110229160
1987-01-01	14.67951502217950
1988-01-01	14.79783929427820
1989-01-01	15.03825501752410
1990-01-01	15.42927282398020
1991-01-01	15.99349540188030
1992-01-01	16.68568510838070
1993-01-01	17.39138622504240
1994-01-01	17.94317801759630
1995-01-01	18.25253219766830
1996-01-01	18.40296833031380
1997-01-01	18.29972530424480
1998-01-01	18.07882102630000
1999-01-01	17.93130531377380
2000-01-01	17.95130062204240
2001-01-01	18.30899703098690
2002-01-01	18.80492144158480
2003-01-01	19.29240061088140
2004-01-01	19.54933176864600
2005-01-01	19.46139306529290
2006-01-01	19.38258337958930
2007-01-01	19.05704977169110
2008-01-01	18.64264789939810
2009-01-01	18.32267448909740
2010-01-01	18.17033116278590
2011-01-01	18.27497823220410
2012-01-01	18.44756073049080
2013-01-01	18.67569118709180
2014-01-01	18.96901030231150
2015-01-01	19.35830727907160
2016-01-01	20.01033665481280
2017-01-01	20.78459949350770