Year	% of total labor force
1991	0.792758672196823
1992	0.7714741418422919
1993	0.7397015804781278
1994	0.7123485666128776
1995	0.9858167419004715
1996	0.9844754269752195
1997	0.9375199774109915
1998	0.9281148965912457
1999	0.9009209123293898
2000	0.890037083649059
2001	0.8582890941333878
2002	0.8447099233814058
2003	0.8359813396258572
2004	0.7993795642483935
2005	0.8260715119247416
2006	0.8279250637969182
2007	0.7562293558098766
2008	0.756783046504327
2009	0.7609745438267124
2010	0.7570162212921977
2011	0.7530492333257995
2012	0.7495082982045086
2013	0.7109387376765296
2014	0.7057913186925612
2015	0.696482938287707
2016	0.6946922315546382
2017	0.6897434261566068
2018	0.6945605327859742
2019	0.6858118223510864
2020	0.6918131310006708