Year	% of total labor force
1991	0.799113054365149
1992	0.8717007272975947
1993	0.8102140376410047
1994	0.7837602801065747
1995	1.0633457725007183
1996	1.0488034211784505
1997	1.0076310828874215
1998	0.9917139886366483
1999	0.9468077061212592
2000	0.9330019501371278
2001	0.8952500536927037
2002	0.8739938419016517
2003	0.8611953970915379
2004	0.8276834787274093
2005	0.8559877521093209
2006	0.8362147516763445
2007	0.780777320446802
2008	0.7831716089727102
2009	0.787435324712626
2010	0.7808213588611735
2011	0.7753546695887411
2012	0.7761362397177298
2013	0.7332651868879407
2014	0.7404517778626805
2015	0.7383902968513497
2016	0.7350675149382747
2017	0.7356649149143126
2018	0.7427742298071964
2019	0.7319839751337587
2020	0.7488284341061716