Year	% of total labor force
1991	0.8232982462054674
1992	0.8723354260799817
1993	0.820190137062235
1994	0.7855712454970666
1995	1.1049962373318438
1996	1.0916487491996285
1997	1.054344265206183
1998	1.034834716159763
1999	1.0009472256676517
2000	0.9877402001450732
2001	0.9276156616492894
2002	0.9149639170522033
2003	0.8988427329834959
2004	0.8602747578421841
2005	0.8786991756746598
2006	0.8800813745706183
2007	0.8100949696320795
2008	0.8102587653870159
2009	0.8173608433556416
2010	0.8155350374870262
2011	0.8059065852325186
2012	0.8034954613984426
2013	0.7641310078709755
2014	0.7632056919807955
2015	0.7608756794897938
2016	0.7529632668479438
2017	0.7459148841999949
2018	0.7476391492518142
2019	0.7399976199671667
2020	0.736582245969983