Year	Percent of Working-Age Population
1960-01-01	15.5082465283980
1961-01-01	15.6432744015593
1962-01-01	15.7441505181723
1963-01-01	15.8217078993645
1964-01-01	15.8897654767836
1965-01-01	15.9590626327842
1966-01-01	16.2248456066099
1967-01-01	16.4903895359548
1968-01-01	16.7575537212834
1969-01-01	17.0229211254306
1970-01-01	17.2830002978026
1971-01-01	17.6917026518802
1972-01-01	18.0745184694050
1973-01-01	18.4319523658362
1974-01-01	18.7645996387718
1975-01-01	19.0713554677880
1976-01-01	19.5450143178165
1977-01-01	19.9905603026560
1978-01-01	20.3818984687008
1979-01-01	20.6811718568533
1980-01-01	20.8740871413990
1981-01-01	20.8745757617858
1982-01-01	20.7671738283041
1983-01-01	20.6162293729849
1984-01-01	20.5085441124877
1985-01-01	20.4924496862862
1986-01-01	20.5988206935784
1987-01-01	20.7660849016568
1988-01-01	20.9641695774213
1989-01-01	21.1477746888996
1990-01-01	21.2936438453635
1991-01-01	21.4385043978733
1992-01-01	21.5421264449909
1993-01-01	21.6103315819121
1994-01-01	21.6561563113822
1995-01-01	21.6894871745360
1996-01-01	21.9372612139083
1997-01-01	22.1729570841667
1998-01-01	22.3905207919550
1999-01-01	22.5818255768427
2000-01-01	22.7460984722970
2001-01-01	22.8664836012262
2002-01-01	22.9552233279672
2003-01-01	23.0357429643614
2004-01-01	23.1405110509374
2005-01-01	23.2910288433224
2006-01-01	23.5010898181920
2007-01-01	23.7553369655497
2008-01-01	24.0603538672354
2009-01-01	24.4217567129458
2010-01-01	24.8429966888350
2011-01-01	25.1820991897174
2012-01-01	25.5676771655867
2013-01-01	25.9883347688816
2014-01-01	26.4021997093691
2015-01-01	26.7731979909881
2016-01-01	27.2339248077806
2017-01-01	27.6445009177403