Year	Percent of Working-Age Population
1960-01-01	18.6450929482223
1961-01-01	18.8157617832589
1962-01-01	18.9406667081263
1963-01-01	19.0421063546651
1964-01-01	19.1534361847693
1965-01-01	19.2953784828309
1966-01-01	19.5807175494195
1967-01-01	19.8629815301828
1968-01-01	20.1310089020864
1969-01-01	20.3650884464030
1970-01-01	20.5547748000278
1971-01-01	20.8058870374721
1972-01-01	20.9897536604529
1973-01-01	21.1268059607475
1974-01-01	21.2453119339230
1975-01-01	21.3563261799289
1976-01-01	21.6155500890474
1977-01-01	21.8853934792572
1978-01-01	22.0762575322695
1979-01-01	22.0529646174910
1980-01-01	21.7571817159429
1981-01-01	21.3387200891740
1982-01-01	20.6649132978115
1983-01-01	19.9230983573602
1984-01-01	19.3679835309106
1985-01-01	19.1329400972697
1986-01-01	19.2700662502602
1987-01-01	19.6723179735432
1988-01-01	20.2296822783697
1989-01-01	20.7740248578563
1990-01-01	21.2079717919157
1991-01-01	21.6948751879937
1992-01-01	22.0907769285890
1993-01-01	22.4245005490284
1994-01-01	22.7452726750148
1995-01-01	23.0810202873111
1996-01-01	23.4314503398089
1997-01-01	23.7635707517857
1998-01-01	24.0683174931443
1999-01-01	24.3305552759929
2000-01-01	24.5453951792520
2001-01-01	24.7676716248045
2002-01-01	24.9542500431287
2003-01-01	25.1035711517643
2004-01-01	25.2065734129394
2005-01-01	25.2671821566622
2006-01-01	25.3395213989800
2007-01-01	25.3501784558208
2008-01-01	25.3816046719139
2009-01-01	25.5593760351008
2010-01-01	25.9631248719592
2011-01-01	26.5479296124023
2012-01-01	27.3400591330143
2013-01-01	28.2827763815653
2014-01-01	29.2520772265426
2015-01-01	30.1584786546544
2016-01-01	30.9640544604332
2017-01-01	31.7021348203046