Year	% of total labor force
1991	44.534058787726735
1992	44.678175952852484
1993	44.83532300374842
1994	45.301328026047706
1995	45.40921022502482
1996	45.51430561948191
1997	45.70832179094819
1998	45.75511277774994
1999	45.816816437285915
2000	45.82222301414402
2001	45.87900717883813
2002	45.94556599514637
2003	46.10618446067196
2004	46.05078756041068
2005	46.07210439474692
2006	46.09076069732703
2007	46.16270406990642
2008	46.300486871467804
2009	46.53422979793557
2010	46.55788583818156
2011	46.470243798751255
2012	46.34083781389479
2013	46.23233698775182
2014	46.23578131463188
2015	46.1080568040867
2016	46.085523387093865
2017	46.19853468368471
2018	46.20173582590881
2019	46.275871250737445
2020	46.244218168815486
2021	46.257814651160864
2022	46.402089123326085
2023	46.572725774274815