Year	% of total labor force
1991	44.3440037968339
1992	44.42786529514554
1993	44.52159482946853
1994	44.59076404044971
1995	44.65346878226094
1996	44.72484814875789
1997	44.795647638792104
1998	44.89460100808896
1999	44.933680394481385
2000	44.97849549970627
2001	45.01343354645627
2002	45.06181431662596
2003	45.10925791737697
2004	45.12177805990344
2005	45.09653635473726
2006	45.077422577422574
2007	45.04785165985445
2008	45.033192166482955
2009	44.95667743728004
2010	44.9319889738457
2011	44.93223070190507
2012	45.182715020147285
2013	45.304736569574175
2014	45.575887970973206
2015	46.09066643168442
2016	45.38366206953864
2017	45.15863190775742
2018	44.68563084440201
2019	45.253990099213276
2020	45.30556692817545
2021	45.59286691717892
2022	45.45643080600373
2023	45.551850710302894