Year	Percent of Working-Age Population
1960-01-01	12.3598419071715
1961-01-01	12.6115384007960
1962-01-01	12.7893545988196
1963-01-01	12.9381055962033
1964-01-01	13.1211560657085
1965-01-01	13.3736920304745
1966-01-01	13.6947769014395
1967-01-01	14.0690823795216
1968-01-01	14.4625295388431
1969-01-01	14.8209780034365
1970-01-01	15.1168138337013
1971-01-01	15.2395220794786
1972-01-01	15.4863619014064
1973-01-01	15.8963827640870
1974-01-01	16.4113228366507
1975-01-01	16.9174080190971
1976-01-01	17.1100416715295
1977-01-01	17.1924546711115
1978-01-01	17.2756807448840
1979-01-01	17.4284573406096
1980-01-01	17.6325245588050
1981-01-01	17.4984322742475
1982-01-01	17.3215495274651
1983-01-01	17.0916006662795
1984-01-01	16.8067703833566
1985-01-01	16.4653140913641
1986-01-01	16.2603675444367
1987-01-01	16.0048266118519
1988-01-01	15.7334719384402
1989-01-01	15.4959055294513
1990-01-01	15.3195932820366
1991-01-01	15.3967179736350
1992-01-01	15.5440533701403
1993-01-01	15.7255362410149
1994-01-01	15.9040735648969
1995-01-01	16.0626174645264
1996-01-01	16.2764922756780
1997-01-01	16.4933887972621
1998-01-01	16.7267205003054
1999-01-01	17.0016862653132
2000-01-01	17.3255056173517
2001-01-01	17.3218944854730
2002-01-01	17.3267190753223
2003-01-01	17.3390379708102
2004-01-01	17.3466005119204
2005-01-01	17.3500810372772
2006-01-01	17.4725705961091
2007-01-01	17.6073019318893
2008-01-01	17.7891035223893
2009-01-01	18.0579333739697
2010-01-01	18.4364221173583
2011-01-01	18.8384925407778
2012-01-01	19.3381434496862
2013-01-01	19.9357608489272
2014-01-01	20.5974485618446
2015-01-01	21.3084903662926
2016-01-01	21.9646688031358
2017-01-01	22.6590925967179