Year	% of total labor force
1991	44.630308591587315
1992	44.79851886758692
1993	44.9407894944767
1994	44.97039295795934
1995	45.185972677670435
1996	45.28101584821548
1997	45.38365101942094
1998	45.663614386768884
1999	45.78036414558143
2000	45.9672506531701
2001	46.10574244380937
2002	46.31012674729021
2003	46.561012023296996
2004	46.672472979398364
2005	46.65246381947115
2006	46.89968255953755
2007	47.07876830815362
2008	47.031668984662225
2009	47.26387918783017
2010	47.371883992812386
2011	47.31138924016701
2012	47.39941448981362
2013	47.433218888530476
2014	47.26862717415641
2015	47.10507934434634
2016	47.23436442629671
2017	47.339442837558316
2018	47.42561569440586
2019	47.29842839214835
2020	47.01481982321316
2021	47.118857890452574
2022	47.41897408727343
2023	47.4301883998592