Year	Percent of Working-Age Population
1960-01-01	15.1991824755155
1961-01-01	15.4663128988907
1962-01-01	15.7170004113069
1963-01-01	15.9590728744731
1964-01-01	16.2065639621318
1965-01-01	16.4736217855579
1966-01-01	16.8288170180559
1967-01-01	17.1764379524174
1968-01-01	17.5196989715637
1969-01-01	17.8581606125989
1970-01-01	18.1841512600206
1971-01-01	18.5526992929995
1972-01-01	18.8770242885832
1973-01-01	19.1647648051188
1974-01-01	19.4263574585520
1975-01-01	19.6642476980268
1976-01-01	19.9960385219542
1977-01-01	20.3168490838845
1978-01-01	20.5705840918520
1979-01-01	20.6718288685527
1980-01-01	20.5817221513973
1981-01-01	20.4199609024501
1982-01-01	20.0721960313273
1983-01-01	19.6569684029380
1984-01-01	19.3354248246104
1985-01-01	19.1947309852528
1986-01-01	19.3197472158933
1987-01-01	19.5861260952756
1988-01-01	19.9380032306918
1989-01-01	20.2880249148577
1990-01-01	20.5853310429501
1991-01-01	20.9460263714979
1992-01-01	21.2559023421996
1993-01-01	21.5239024979471
1994-01-01	21.7705470801058
1995-01-01	22.0060825211766
1996-01-01	22.3172975202094
1997-01-01	22.5952626838598
1998-01-01	22.8541554949893
1999-01-01	23.1096766893826
2000-01-01	23.3776971317245
2001-01-01	23.6909373865289
2002-01-01	24.0068905861682
2003-01-01	24.3127117864508
2004-01-01	24.5858869463326
2005-01-01	24.8161740049662
2006-01-01	25.1010283609437
2007-01-01	25.3344498853408
2008-01-01	25.5596858646239
2009-01-01	25.8392754399576
2010-01-01	26.2195521153933
2011-01-01	26.7038113714337
2012-01-01	27.2859546926849
2013-01-01	27.9389512149275
2014-01-01	28.6118948631392
2015-01-01	29.2691837879015
2016-01-01	29.8948635200067
2017-01-01	30.4992178007182