Year	Percent of Working-Age Population
1960-01-01	18.3762219149970
1961-01-01	18.7256353734902
1962-01-01	19.0327705707291
1963-01-01	19.3092386225935
1964-01-01	19.5741407309437
1965-01-01	19.8403071359361
1966-01-01	20.2168661404616
1967-01-01	20.5664605769861
1968-01-01	20.8793580091426
1969-01-01	21.1373210826088
1970-01-01	21.3310651174022
1971-01-01	21.6205450304002
1972-01-01	21.8188498677784
1973-01-01	21.9423201116781
1974-01-01	22.0130857670914
1975-01-01	22.0428747457462
1976-01-01	22.2292044646483
1977-01-01	22.3853735882427
1978-01-01	22.4591827348355
1979-01-01	22.3688354498869
1980-01-01	22.0827795865161
1981-01-01	21.8218833074230
1982-01-01	21.3755771271783
1983-01-01	20.8769871689164
1984-01-01	20.5063149529347
1985-01-01	20.3598278894757
1986-01-01	20.5744744930313
1987-01-01	20.9692355442972
1988-01-01	21.4674940767277
1989-01-01	21.9499441560834
1990-01-01	22.3478876919412
1991-01-01	22.7957149576079
1992-01-01	23.1656394078238
1993-01-01	23.4803241720697
1994-01-01	23.7749050558310
1995-01-01	24.0685078014079
1996-01-01	24.4686288094740
1997-01-01	24.8387418740600
1998-01-01	25.1756144156062
1999-01-01	25.4715731837221
2000-01-01	25.7237772053865
2001-01-01	25.9463050720774
2002-01-01	26.1277745204173
2003-01-01	26.2661779184103
2004-01-01	26.3491163295365
2005-01-01	26.3748561792833
2006-01-01	26.3999851982288
2007-01-01	26.3364325149805
2008-01-01	26.2486685781025
2009-01-01	26.2331498396577
2010-01-01	26.3502220937405
2011-01-01	26.5566528958722
2012-01-01	26.8722514117951
2013-01-01	27.2564955147579
2014-01-01	27.6376366630694
2015-01-01	27.9742851027427
2016-01-01	28.4343035001085
2017-01-01	28.8663095376732