Year	% of total labor force
1991	45.38870297673584
1992	45.52106521559898
1993	45.65953633847708
1994	45.95197777246364
1995	46.03989368535547
1996	45.92887159094114
1997	45.78369541996786
1998	45.76913184359113
1999	45.73185385003516
2000	45.6624582334331
2001	45.588359347467794
2002	45.61134012762961
2003	45.53729282450697
2004	45.44063458016734
2005	45.42403246090691
2006	45.356733020895206
2007	45.19907560403677
2008	45.047412477823315
2009	44.98998151569765
2010	44.975454888899606
2011	44.599933862235936
2012	43.93173188787581
2013	43.19620874148387
2014	43.744169615154746
2015	43.60893139951337
2016	43.18089196535572
2017	41.93545053417397
2018	42.175726424984624
2019	41.86595361401794
2020	42.59730228433294
2021	42.053171098631935
2022	42.21501913172944
2023	42.25830692644699