Year	Percent of Working-Age Population
1960-01-01	13.7442735255142
1961-01-01	13.9130573359111
1962-01-01	14.0632515042806
1963-01-01	14.1961909412517
1964-01-01	14.3280893179564
1965-01-01	14.4695239444150
1966-01-01	14.6931989133149
1967-01-01	14.9095990800797
1968-01-01	15.1256045893496
1969-01-01	15.3226232910735
1970-01-01	15.5128071607608
1971-01-01	15.7386606021377
1972-01-01	15.9380636411174
1973-01-01	16.1211397110033
1974-01-01	16.2817995593288
1975-01-01	16.4310443243620
1976-01-01	16.6727014864971
1977-01-01	16.9008434615531
1978-01-01	17.0988245029046
1979-01-01	17.2297136442895
1980-01-01	17.2793259853973
1981-01-01	17.2800763380632
1982-01-01	17.1928563609802
1983-01-01	17.0777496265448
1984-01-01	17.0106528656161
1985-01-01	17.0325241573578
1986-01-01	17.1938876024188
1987-01-01	17.4148021418497
1988-01-01	17.6741308718867
1989-01-01	17.9363451875517
1990-01-01	18.1810594950547
1991-01-01	18.4491793190039
1992-01-01	18.7259632300941
1993-01-01	18.9510139915164
1994-01-01	19.1554669116126
1995-01-01	19.3145788767605
1996-01-01	19.5307291625652
1997-01-01	19.7180885691578
1998-01-01	19.8888372188985
1999-01-01	20.0593117783178
2000-01-01	20.2386463589090
2001-01-01	20.4432704035987
2002-01-01	20.6546341250396
2003-01-01	20.8696825624198
2004-01-01	21.0745857358575
2005-01-01	21.2699679186795
2006-01-01	21.4984507100396
2007-01-01	21.7074041320417
2008-01-01	21.9270625462523
2009-01-01	22.2078605079923
2010-01-01	22.5821690792651
2011-01-01	23.0215960862664
2012-01-01	23.5465989451909
2013-01-01	24.1353359602500
2014-01-01	24.7482921474088
2015-01-01	25.3628359712418
2016-01-01	25.9634274047589
2017-01-01	26.5545126329423