Year Percent of Working-Age Population 1960-01-01 9.54065588499551 1961-01-01 9.47360564273852 1962-01-01 9.47087428480759 1963-01-01 9.46747217094591 1964-01-01 9.37355929702916 1965-01-01 9.15305221823946 1966-01-01 9.07584066583203 1967-01-01 8.87547735951991 1968-01-01 8.64446852526845 1969-01-01 8.48275038796705 1970-01-01 8.44150275588403 1971-01-01 8.82648021238501 1972-01-01 9.30982734080079 1973-01-01 9.81259557469650 1974-01-01 10.23126923318470 1975-01-01 10.49581657217690 1976-01-01 10.74116716401540 1977-01-01 10.82812427292890 1978-01-01 10.78818560253730 1979-01-01 10.66446621661990 1980-01-01 10.49143675473460 1981-01-01 10.24394386531070 1982-01-01 10.01172525867570 1983-01-01 9.78745491568734 1984-01-01 9.54952854626464 1985-01-01 9.29625203144069 1986-01-01 9.12169944650940 1987-01-01 8.92207472959685 1988-01-01 8.74658573596358 1989-01-01 8.66189341602711 1990-01-01 8.70136295633121 1991-01-01 8.70055781662858 1992-01-01 8.79050620842821 1993-01-01 8.92629375660914 1994-01-01 9.05261821106549 1995-01-01 9.14640407442395 1996-01-01 9.29664157700730 1997-01-01 9.41846377513933 1998-01-01 9.52679071562725 1999-01-01 9.64493905670376 2000-01-01 9.77732694888752 2001-01-01 9.90526442019427 2002-01-01 10.03568796628270 2003-01-01 10.14504935039980 2004-01-01 10.19559400400400 2005-01-01 10.17448294749000 2006-01-01 9.99416952117193 2007-01-01 9.76846614584257 2008-01-01 9.51396927967932 2009-01-01 9.24005890023688 2010-01-01 8.95247673795649 2011-01-01 8.49576366306851 2012-01-01 8.02265647479764 2013-01-01 7.57438914248053 2014-01-01 7.20693066946405 2015-01-01 6.94706029843088 2016-01-01 6.84259071529945 2017-01-01 6.82587259790464