Year	% of total labor force
1991	47.04259720969709
1992	47.20609110853013
1993	47.41369654338135
1994	47.619012608903425
1995	48.37397784608247
1996	48.250078957612615
1997	48.51625399303297
1998	48.27067344382209
1999	47.862390971197776
2000	48.12955465587044
2001	48.40518970358383
2002	48.43408797572121
2003	48.76999993141901
2004	48.904150411790205
2005	49.029028084739366
2006	48.94460369491572
2007	48.3957419821196
2008	49.00734294261626
2009	49.19690539525251
2010	49.34636118598383
2011	49.45852974901261
2012	48.88949429593053
2013	49.22554849981521
2014	50.04393611827882
2015	50.285631193003596
2016	49.96738070417325
2017	49.637676233464305
2018	49.37037366730805
2019	49.973230985308334
2020	49.85122842812208
2021	50.17778619369228
2022	49.51311995485607
2023	49.606104860439764