Year	% of total labor force
1991	44.253513150443176
1992	44.13921031710979
1993	44.052022858331654
1994	44.02076873988797
1995	44.012160578393896
1996	44.00708995378869
1997	44.0907827640154
1998	44.26418045481729
1999	45.19529009679647
2000	45.15409405030598
2001	45.06659041479286
2002	45.348670021567216
2003	45.55526421109287
2004	45.66649662480398
2005	45.639623534360375
2006	45.711186530234826
2007	45.51788801603385
2008	45.332095089376644
2009	45.19716047218049
2010	45.108372113493644
2011	45.11516789809263
2012	45.1339138102061
2013	45.20316462202727
2014	45.25181413589679
2015	45.28418902157259
2016	45.266212455314545
2017	45.33295898803698
2018	45.3534973484657
2019	45.138867115816964
2020	45.116772053111866
2021	45.30665220599347
2022	45.13894149650494
2023	45.18577472458426