Year	% of total labor force
1991	0.7409369496542297
1992	0.7212586792148384
1993	0.7003550673155275
1994	0.6805219442868854
1995	1.0392259281610745
1996	1.0367840725188504
1997	1.0164414300469544
1998	0.9788665245889603
1999	0.9396355541967637
2000	0.9326627876209408
2001	0.924783141420046
2002	0.9067734496075907
2003	0.8961159543379513
2004	0.8660234266210103
2005	0.8441510750475844
2006	0.9425053150226315
2007	0.9421753586497175
2008	0.9214831737323259
2009	0.9206395796298739
2010	0.8988060143201739
2011	0.8893465616451698
2012	0.8770529286271135
2013	0.8707273088146078
2014	0.9087323069876604
2015	0.9059795404471073
2016	0.9016199688492403
2017	0.9113838672747218
2018	0.9128582788810865
2019	0.8937485445461606
2020	0.9259554151980603