Year	Percent of Working-Age Population
1960-01-01	12.2051752155416
1961-01-01	12.5583927428312
1962-01-01	12.9107030944729
1963-01-01	13.2721368614666
1964-01-01	13.6522751308108
1965-01-01	14.0567504425377
1966-01-01	14.4572895755523
1967-01-01	14.8531725767144
1968-01-01	15.2580008894453
1969-01-01	15.6899548069337
1970-01-01	16.1551460235745
1971-01-01	16.5990554098843
1972-01-01	17.0320758092591
1973-01-01	17.4200943808322
1974-01-01	17.7172996371279
1975-01-01	17.9044878573699
1976-01-01	17.9665786049000
1977-01-01	17.9471710040112
1978-01-01	17.8462108415726
1979-01-01	17.6556444918127
1980-01-01	17.3799205367871
1981-01-01	17.0485882616219
1982-01-01	16.6205211655102
1983-01-01	16.1735219381221
1984-01-01	15.8093200251131
1985-01-01	15.5852738301596
1986-01-01	15.5712922437940
1987-01-01	15.6648312978679
1988-01-01	15.8452331026555
1989-01-01	16.0787258501886
1990-01-01	16.3448454360138
1991-01-01	16.8119023267811
1992-01-01	17.2948493349831
1993-01-01	17.7749826998014
1994-01-01	18.2266375382932
1995-01-01	18.6336693480156
1996-01-01	19.2100587799307
1997-01-01	19.7351649757465
1998-01-01	20.2114664751507
1999-01-01	20.6493642918523
2000-01-01	21.0568666742807
2001-01-01	21.6193903453238
2002-01-01	22.1792695327331
2003-01-01	22.7330817129186
2004-01-01	23.2683261115360
2005-01-01	23.7731612861642
2006-01-01	24.2182780673086
2007-01-01	24.5960564386989
2008-01-01	24.9099673393508
2009-01-01	25.1758664500532
2010-01-01	25.4121213877473
2011-01-01	25.9130802456477
2012-01-01	26.4102359682035
2013-01-01	26.9160989764005
2014-01-01	27.4436906529001
2015-01-01	28.0057767380521
2016-01-01	28.3519298851160
2017-01-01	28.7155814256734