Year	% of total labor force
1991	43.6613295500608
1992	43.71271063265071
1993	43.81177976032149
1994	44.1231285445958
1995	44.51248320562224
1996	44.66711359831361
1997	45.030422414969436
1998	45.48061603823685
1999	45.85381082823075
2000	46.20159787126137
2001	46.4457243327451
2002	46.626612385918335
2003	46.75736663791271
2004	46.86879079782761
2005	46.99061963914202
2006	47.13291926959638
2007	47.27654481576845
2008	47.305118705025414
2009	47.19914154377112
2010	47.0846632746579
2011	46.99625796927146
2012	46.960046159328876
2013	46.94386612719488
2014	46.90844712245312
2015	46.83677535485112
2016	46.96886828134736
2017	47.01412034982098
2018	47.024612899454816
2019	47.077958702900666
2020	46.99714684002762
2021	47.37103123881589
2022	47.05578745346035
2023	47.2277491693122