Year	% of total labor force
1991	46.326754085294404
1992	46.18344394828717
1993	46.03823290393843
1994	45.88382988775627
1995	45.719472178857124
1996	45.547773622186156
1997	45.36988470136805
1998	45.182652034679236
1999	44.90881709174787
2000	44.605971226677994
2001	44.304835236004955
2002	44.2077141000429
2003	44.11918813779486
2004	44.152647993208845
2005	44.13741303298021
2006	44.12011434807751
2007	44.10009391866563
2008	44.07750736715776
2009	44.03086182526397
2010	44.04664771088309
2011	44.03769809250234
2012	44.38834129527726
2013	44.30502227709816
2014	44.203707722657484
2015	45.33278935698448
2016	45.039168383581796
2017	45.25815698936261
2018	45.16499785582111
2019	45.32793449311574
2020	45.06353793941829
2021	45.54600089171
2022	45.05536459264017
2023	45.490690495031984