Year	% of total labor force
1991	44.58163120369028
1992	44.57230421876185
1993	44.58068007462202
1994	44.59740720738754
1995	44.637498615738316
1996	44.644180321710856
1997	44.65583934332157
1998	44.683982339865395
1999	44.74695080607144
2000	44.77977351047007
2001	44.7526011239373
2002	44.73628035789385
2003	44.6877109753746
2004	44.62297737286424
2005	44.59730439172671
2006	44.50040187068926
2007	44.41185558449412
2008	44.27423681395164
2009	44.20695069942198
2010	44.08014193281549
2011	44.11287530865307
2012	44.12826096007589
2013	44.15524437093708
2014	44.201041845950414
2015	44.25508126202303
2016	44.304671140200554
2017	44.405111380688254
2018	44.4617885917809
2019	44.561796745603644
2020	44.42968092456503
2021	44.695642438013806
2022	44.629941585655544
2023	44.588536675171355