Year	Percent of Working-Age Population
1960-01-01	10.2865276354247
1961-01-01	10.6543108589628
1962-01-01	10.9743321110529
1963-01-01	11.1109452394672
1964-01-01	11.0603457944477
1965-01-01	10.9490346187631
1966-01-01	12.0106851490867
1967-01-01	13.2189990217895
1968-01-01	14.4962950393122
1969-01-01	15.7869728545235
1970-01-01	17.0866257071867
1971-01-01	16.7770514480097
1972-01-01	16.4492025733761
1973-01-01	16.1277760127899
1974-01-01	15.8251126476462
1975-01-01	15.5427694290768
1976-01-01	15.3166577198333
1977-01-01	15.0613161786175
1978-01-01	14.7914740993613
1979-01-01	14.5156769220336
1980-01-01	14.2411138862471
1981-01-01	14.4380432809186
1982-01-01	14.6244989454389
1983-01-01	14.8015132453031
1984-01-01	14.9585563521690
1985-01-01	15.0911043860394
1986-01-01	15.1160157117866
1987-01-01	15.1336491359369
1988-01-01	15.1756774277194
1989-01-01	15.2466985252556
1990-01-01	15.3344936759979
1991-01-01	15.3379159580303
1992-01-01	15.3370062758404
1993-01-01	15.3541983270185
1994-01-01	15.3926037990194
1995-01-01	15.4467771389198
1996-01-01	15.3996359654934
1997-01-01	15.3345786513512
1998-01-01	15.2706708397503
1999-01-01	15.2190507237138
2000-01-01	15.1829816160793
2001-01-01	15.1785316206597
2002-01-01	15.2047091212926
2003-01-01	15.2821703603551
2004-01-01	15.4050468624912
2005-01-01	15.5489874479810
2006-01-01	15.6474102763711
2007-01-01	15.7284322695226
2008-01-01	15.8207807124304
2009-01-01	15.9524467790987
2010-01-01	16.1382695847822
2011-01-01	16.4978741699709
2012-01-01	16.8965285085204
2013-01-01	17.3347357518859
2014-01-01	17.7959794264139
2015-01-01	18.2616796082589
2016-01-01	18.7476652399706
2017-01-01	19.2341068915309