Year	% of total labor force
1991	43.68091657581989
1992	43.79054362590005
1993	43.756975843527194
1994	44.10203091581116
1995	44.26630961977238
1996	44.73049817791568
1997	44.767162368115
1998	45.03891432257376
1999	45.31154340857719
2000	45.37871506689745
2001	45.70957028897416
2002	45.759380157099606
2003	46.138679282938455
2004	46.109671201601884
2005	46.37317433021943
2006	46.43775192300672
2007	46.645451913714
2008	46.9050894085282
2009	47.1213909830052
2010	47.16952749532265
2011	47.29474487386206
2012	47.58583688733177
2013	47.638731934864275
2014	47.608161154311595
2015	47.467144186927094
2016	47.47252572615175
2017	47.40614411697297
2018	47.458832277741536
2019	47.55583844911603
2020	47.20094442875849
2021	47.484250048811305
2022	47.67130851054148
2023	47.614582467599135