Year	Percent of Working-Age Population
1960-01-01	17.1059477859243
1961-01-01	17.5322686096609
1962-01-01	17.9624216557828
1963-01-01	18.3983187380420
1964-01-01	18.8410453003981
1965-01-01	19.2915859972540
1966-01-01	19.8052749179399
1967-01-01	20.2921903514497
1968-01-01	20.7501676287061
1969-01-01	21.1771605271697
1970-01-01	21.5725026995770
1971-01-01	22.0771581264167
1972-01-01	22.5100562367288
1973-01-01	22.8741155006412
1974-01-01	23.1708330569784
1975-01-01	23.3967333701521
1976-01-01	23.7471034013026
1977-01-01	24.0363998652197
1978-01-01	24.1988418684189
1979-01-01	24.1317598330727
1980-01-01	23.7930171880359
1981-01-01	23.3904659037444
1982-01-01	22.7371257018395
1983-01-01	21.9901376973298
1984-01-01	21.3596540181014
1985-01-01	20.9605043095424
1986-01-01	20.8495511094818
1987-01-01	20.9269905632343
1988-01-01	21.1304868623780
1989-01-01	21.3576621854776
1990-01-01	21.5477287056515
1991-01-01	21.8399324130163
1992-01-01	22.1043818790948
1993-01-01	22.3326615670193
1994-01-01	22.5138265432301
1995-01-01	22.6471381708567
1996-01-01	22.9741860593566
1997-01-01	23.2221684300942
1998-01-01	23.4611943850492
1999-01-01	23.7942848110215
2000-01-01	24.2803061298181
2001-01-01	24.9731643508065
2002-01-01	25.7966033167565
2003-01-01	26.6855244474049
2004-01-01	27.5299262952404
2005-01-01	28.2603854296953
2006-01-01	29.0323483716899
2007-01-01	29.6917231288438
2008-01-01	30.2513257002210
2009-01-01	30.7373904478697
2010-01-01	31.1732391256659
2011-01-01	31.4031076056131
2012-01-01	31.5563211706345
2013-01-01	31.6889692523268
2014-01-01	31.8628304563231
2015-01-01	32.1112877653901
2016-01-01	32.4029661879153
2017-01-01	32.7671018463102