Year	% of total labor force
1991	42.43012989774566
1992	42.62442157515671
1993	42.61974842631282
1994	42.81395128971472
1995	42.98128085623934
1996	43.15370851044017
1997	43.39136945043467
1998	43.56475070582581
1999	43.906107844512604
2000	44.10872366517859
2001	44.49238528336241
2002	44.70233235006723
2003	44.99449684436535
2004	45.0574510488632
2005	45.315306627432264
2006	45.63010354035424
2007	45.80522758448232
2008	45.767993264863904
2009	45.92317805511995
2010	45.953732043666484
2011	46.13202377949746
2012	46.1004909777475
2013	46.281701262180256
2014	46.33238801565486
2015	46.422751994584985
2016	46.54151601347113
2017	46.587450547739216
2018	46.56615751646784
2019	46.60135999343202
2020	46.705423460829465
2021	46.71056524067944
2022	46.701454734314964
2023	46.68396849283061