Year	% of total labor force
1991	41.78196163941555
1992	42.2051690906799
1993	42.92231342961665
1994	43.63035584621801
1995	44.34442274953271
1996	45.03367932361669
1997	45.42548271552698
1998	45.57648719511446
1999	45.74695793615475
2000	45.93656031904018
2001	46.068092561840245
2002	46.23461814818538
2003	46.40777359661379
2004	46.56609996237576
2005	46.69561185024935
2006	46.76597359764348
2007	46.806035190563385
2008	46.822457639470066
2009	46.83096566195636
2010	45.96148866013974
2011	46.801601135952986
2012	46.48016394704936
2013	46.65342917674582
2014	46.395073644302734
2015	46.233932746672
2016	46.13009825698073
2017	46.6784868246288
2018	46.60867322125616
2019	46.730378245474654
2020	46.57314949086496
2021	46.51260366526001
2022	46.627925325243616
2023	46.98220709796246