Year	Percent of Working-Age Population
1960-01-01	15.9195240771969
1961-01-01	16.2402867142343
1962-01-01	16.5391778480631
1963-01-01	16.8309097464247
1964-01-01	17.1214034765437
1965-01-01	17.4068402246044
1966-01-01	17.8483039743776
1967-01-01	18.2557101744927
1968-01-01	18.6306261985779
1969-01-01	18.9662217379461
1970-01-01	19.2596408928418
1971-01-01	19.5413303745593
1972-01-01	19.7426331154799
1973-01-01	19.8750907265513
1974-01-01	19.9498530617824
1975-01-01	19.9665297300934
1976-01-01	20.1933422859097
1977-01-01	20.3662809039135
1978-01-01	20.4507533205577
1979-01-01	20.3953386302201
1980-01-01	20.1780041759081
1981-01-01	20.0962394864003
1982-01-01	19.8689379815809
1983-01-01	19.5706920247543
1984-01-01	19.2998098424296
1985-01-01	19.1157030952745
1986-01-01	19.0539123383585
1987-01-01	19.0483012293098
1988-01-01	19.1011365647580
1989-01-01	19.2039098146274
1990-01-01	19.3472505861886
1991-01-01	19.5938047925190
1992-01-01	19.8683565368557
1993-01-01	20.1451544568681
1994-01-01	20.3829380008620
1995-01-01	20.5606597699486
1996-01-01	20.7722787884868
1997-01-01	20.9006158299515
1998-01-01	20.9699211443371
1999-01-01	21.0025752382009
2000-01-01	21.0112098109799
2001-01-01	21.1924633068680
2002-01-01	21.3384477653978
2003-01-01	21.4470284237726
2004-01-01	21.5130170252768
2005-01-01	21.5373007336533
2006-01-01	21.3108462237826
2007-01-01	21.0587332077415
2008-01-01	20.8114113770054
2009-01-01	20.6078491491645
2010-01-01	20.4687103252464
2011-01-01	20.3306709534543
2012-01-01	20.2301665168116
2013-01-01	20.1617044145465
2014-01-01	20.1159559895489
2015-01-01	20.0986881087637
2016-01-01	20.3764695402142
2017-01-01	20.6683385972647