Year	% of total labor force
1991	47.41855610279057
1992	47.3812540766682
1993	47.46010808890526
1994	47.561195871943966
1995	47.66535139945389
1996	47.72730371936045
1997	48.5963531474251
1998	48.41157731265469
1999	47.881696274218115
2000	48.331498812581344
2001	49.12029575399969
2002	49.04116040060685
2003	49.25059094570383
2004	48.879341496232996
2005	48.85577439668437
2006	48.872004185916744
2007	48.75193944961387
2008	49.42528735632184
2009	50.14202092016534
2010	50.59911677328848
2011	50.08114031904548
2012	50.22045325381309
2013	50.1563364489642
2014	49.68638179762735
2015	49.62026168772143
2016	50.06936069653475
2017	49.83849331115221
2018	49.84548754652619
2019	49.84588438497353
2020	49.721976360151125
2021	49.32399314848741
2022	49.62268840569995
2023	49.44436089994814