Year	% of total labor force
1991	41.11352389906783
1992	41.70000167028699
1993	41.97534482959836
1994	43.196098546899826
1995	43.554937446034195
1996	43.47594483832087
1997	43.652943432566396
1998	43.87022126205985
1999	43.882542645576194
2000	43.948510943667024
2001	44.19605947720655
2002	44.68806148693254
2003	44.65065205753541
2004	45.331899346399965
2005	45.680634590719635
2006	45.84500346360295
2007	45.89238430809967
2008	46.12717267780585
2009	46.483584232674296
2010	46.590740281095115
2011	46.79141026670068
2012	46.945381456471615
2013	47.00181992072449
2014	47.12035538283506
2015	47.00000489936919
2016	46.964273883245895
2017	46.95287396349197
2018	46.80669379395834
2019	46.87911842607975
2020	47.04018418767114
2021	46.92957657561777
2022	47.01765062629358
2023	47.00576347555129
