Year Percent of Working-Age Population 1960-01-01 2.23537257862839 1961-01-01 2.37155636591550 1962-01-01 2.49645186629331 1963-01-01 2.60995561027206 1964-01-01 2.71100413264111 1965-01-01 2.79977534976054 1966-01-01 2.91230974373457 1967-01-01 3.00578164424322 1968-01-01 3.08363396870482 1969-01-01 3.15129961330468 1970-01-01 3.21165671046679 1971-01-01 3.30941207740204 1972-01-01 3.39450346676935 1973-01-01 3.46607462905590 1974-01-01 3.52351960640740 1975-01-01 3.56691549447643 1976-01-01 3.64417287908830 1977-01-01 3.71086113995284 1978-01-01 3.76838300561698 1979-01-01 3.81675864298233 1980-01-01 3.85449488254851 1981-01-01 3.95588093897230 1982-01-01 4.03865523551170 1983-01-01 4.10836281481288 1984-01-01 4.17219956154759 1985-01-01 4.23395432110288 1986-01-01 4.32177312741150 1987-01-01 4.41133215717012 1988-01-01 4.50173636633372 1989-01-01 4.58936560153939 1990-01-01 4.67110775881193 1991-01-01 4.74072714135381 1992-01-01 4.79439791702776 1993-01-01 4.83557238594963 1994-01-01 4.86705205384083 1995-01-01 4.89049160729486 1996-01-01 4.90492213079490 1997-01-01 4.91325387389108 1998-01-01 4.91882257972444 1999-01-01 4.92297216973181 2000-01-01 4.92550009212493 2001-01-01 4.94846373949058 2002-01-01 4.96206897129576 2003-01-01 4.97283915701980 2004-01-01 4.98759856719650 2005-01-01 5.00869885376509 2006-01-01 5.05354532590575 2007-01-01 5.09567276531390 2008-01-01 5.13400622696832 2009-01-01 5.16636887884144 2010-01-01 5.19162558543712 2011-01-01 5.24654798218250 2012-01-01 5.29261280408516 2013-01-01 5.33068126795302 2014-01-01 5.35987024329603 2015-01-01 5.37998351060707 2016-01-01 5.39913704694017 2017-01-01 5.40377489090121