Year	% of total labor force
1991	46.30350740830082
1992	46.48921074521701
1993	46.69577860445368
1994	46.92177800454341
1995	47.16561889013064
1996	47.35729162489769
1997	47.54743990363633
1998	47.73307236113523
1999	47.91654328861353
2000	47.76986212991002
2001	47.60791146285283
2002	47.43533712558358
2003	47.25874937724819
2004	47.080068715087656
2005	46.904774035767055
2006	46.74104849078054
2007	46.49627792716684
2008	46.22694015746205
2009	45.99608120447988
2010	45.73546404141246
2011	45.459533417940094
2012	45.17077508887474
2013	44.88301750272478
2014	44.94159657538667
2015	45.045098491344085
2016	45.075310720234704
2017	45.13955684723419
2018	45.22011180861766
2019	45.30173394500267
2020	45.29561802623881
2021	45.52726305928685
2022	45.03407600778303
2023	45.142700629964395