Year	% of total labor force
1991	43.62460142019297
1992	43.55710407837755
1993	43.516944341837245
1994	43.47963152784419
1995	43.725046464714254
1996	43.9538081540849
1997	44.16547240894165
1998	44.37150949441792
1999	44.583927015157435
2000	44.78163820089142
2001	44.95522109824581
2002	45.12797966066013
2003	45.302947738320334
2004	45.478753806184535
2005	45.660149275479256
2006	45.65628903797212
2007	45.661337784017455
2008	45.67622084263909
2009	45.698850129921084
2010	45.726042061771174
2011	45.75367922163965
2012	45.78235642608089
2013	45.81690658972378
2014	45.93384207441925
2015	46.05445999859924
2016	46.16114470743965
2017	46.27226549836801
2018	46.3855930909375
2019	46.497294106489946
2020	46.51057012041986
2021	46.67812814192394
2022	46.763732749014
2023	46.80684237602431