Year Percent of Working-Age Population 1960-01-01 4.89852796747883 1961-01-01 4.89007582684504 1962-01-01 4.85546111058527 1963-01-01 4.81041552183286 1964-01-01 4.77331043731646 1965-01-01 4.75228857978884 1966-01-01 4.82778909980984 1967-01-01 4.90453668401077 1968-01-01 4.97535273266439 1969-01-01 5.03113113878369 1970-01-01 5.06817215713920 1971-01-01 5.15765846649947 1972-01-01 5.22476796529975 1973-01-01 5.27260740352909 1974-01-01 5.30426678540964 1975-01-01 5.32215588224373 1976-01-01 5.48455086402686 1977-01-01 5.64827691901441 1978-01-01 5.81945490604309 1979-01-01 5.99283549813582 1980-01-01 6.15749986529872 1981-01-01 6.15132030391834 1982-01-01 6.10803248027645 1983-01-01 6.04275190341711 1984-01-01 5.97180282154693 1985-01-01 5.90207848251809 1986-01-01 5.99560524739733 1987-01-01 6.08389118200732 1988-01-01 6.15739915872592 1989-01-01 6.20509196185286 1990-01-01 6.22430715270443 1991-01-01 6.23627048601698 1992-01-01 6.21558173737244 1993-01-01 6.17735028058592 1994-01-01 6.14343518305170 1995-01-01 6.12810389483205 1996-01-01 6.14405517937503 1997-01-01 6.16530299104038 1998-01-01 6.17954491206259 1999-01-01 6.17124790328063 2000-01-01 6.13549362633485 2001-01-01 6.15508535289538 2002-01-01 6.15179222533312 2003-01-01 6.13619324359720 2004-01-01 6.11973921332254 2005-01-01 6.10774248633152 2006-01-01 6.16050743123263 2007-01-01 6.20723797134792 2008-01-01 6.24783685014118 2009-01-01 6.28333332166086 2010-01-01 6.31585448369107 2011-01-01 6.33179673886651 2012-01-01 6.34414663305190 2013-01-01 6.35106521182348 2014-01-01 6.34917847999702 2015-01-01 6.33850089609365 2016-01-01 6.32757187531467 2017-01-01 6.30549649474660