Year	% of total labor force
1991	45.59413996515464
1992	45.65098614786326
1993	45.743620414673046
1994	45.8571417058212
1995	45.849729051304614
1996	45.84560054662896
1997	45.84931287951422
1998	45.79271354928288
1999	45.73839390092591
2000	45.68693213000793
2001	45.906164531939666
2002	46.11300526980375
2003	46.313498567803975
2004	46.51797870660858
2005	46.72515055773675
2006	46.936910695565906
2007	47.161727748992185
2008	47.39228041710086
2009	47.62843238870146
2010	47.86076905813816
2011	48.09102897071809
2012	48.32509944009526
2013	49.73984864975132
2014	49.30154037043614
2015	48.74024718478947
2016	48.18197154837146
2017	48.78952552691438
2018	49.427953598527836
2019	49.45672051203901
2020	49.380570604683676
2021	49.78063938904954
2022	49.214909998100005
2023	49.403930508623716