Year	Percent of Working-Age Population
1960-01-01	12.0484530258217
1961-01-01	12.3738449845221
1962-01-01	12.7180763587779
1963-01-01	13.0730629617395
1964-01-01	13.4269814072700
1965-01-01	13.7718596879677
1966-01-01	14.0672192594962
1967-01-01	14.3157978601085
1968-01-01	14.5275640149353
1969-01-01	14.7258700181428
1970-01-01	14.9319029842554
1971-01-01	15.3577872889408
1972-01-01	15.7785013011285
1973-01-01	16.1790422586732
1974-01-01	16.5308982235910
1975-01-01	16.8162390425318
1976-01-01	17.1023711568013
1977-01-01	17.3465905914959
1978-01-01	17.5184006061862
1979-01-01	17.5593465394036
1980-01-01	17.4430538747875
1981-01-01	17.0528400453722
1982-01-01	16.4494887918131
1983-01-01	15.7239201149564
1984-01-01	15.0512486389308
1985-01-01	14.5580409872995
1986-01-01	14.5411582958409
1987-01-01	14.7023038754542
1988-01-01	14.9753829221180
1989-01-01	15.2607478826598
1990-01-01	15.5033660801792
1991-01-01	15.9744162356712
1992-01-01	16.4116733816111
1993-01-01	16.8247055214991
1994-01-01	17.2436027152150
1995-01-01	17.6881734817347
1996-01-01	18.2107367057962
1997-01-01	18.7369847475312
1998-01-01	19.2478072662318
1999-01-01	19.7141687366019
2000-01-01	20.1232105030211
2001-01-01	20.5530500525106
2002-01-01	20.9309839184999
2003-01-01	21.2775251107834
2004-01-01	21.6205467632030
2005-01-01	21.9788238965165
2006-01-01	22.3899445864941
2007-01-01	22.8168001672052
2008-01-01	23.2491472119601
2009-01-01	23.6675906368205
2010-01-01	24.0684735367565
2011-01-01	24.5300583673415
2012-01-01	24.9617982693233
2013-01-01	25.4333404284249
2014-01-01	26.0346981441759
2015-01-01	26.8151561921314
2016-01-01	27.7671122926677
2017-01-01	28.8920505590167