Year	% of total labor force
1991	45.123713457041845
1992	45.1339983496177
1993	45.106910065946884
1994	45.12390579659941
1995	45.1843036137289
1996	45.18433193821663
1997	45.183142255549775
1998	45.204895760691926
1999	45.24535777064029
2000	45.28917414420407
2001	45.300973683160315
2002	45.28983842348494
2003	45.26128752710468
2004	45.257529479625504
2005	45.25000617697746
2006	45.192189310149786
2007	45.18255268570967
2008	45.11455673741183
2009	45.01712183992872
2010	44.93984385222673
2011	44.85365622090371
2012	44.78876105995196
2013	44.77645807343304
2014	44.67167116757853
2015	44.608426473802844
2016	44.53466175765879
2017	44.375277502621984
2018	44.25161253263405
2019	44.15626886255163
2020	44.15133152330114
2021	44.23272271956535
2022	43.84973425799326
2023	43.89880409664897