Year	% of total labor force
1991	45.93247380643923
1992	46.00836562461707
1993	46.12341214868798
1994	46.26579002072815
1995	46.433141931788256
1996	46.52437213164262
1997	46.58500209853888
1998	46.635435645638296
1999	46.70349591862915
2000	46.76213768254685
2001	46.77822985730116
2002	46.81035574427055
2003	46.83488569307225
2004	46.85528568936409
2005	46.87445676747452
2006	46.82225928455126
2007	46.771550128648684
2008	46.710001045037366
2009	46.65194578700536
2010	46.54632683235033
2011	46.540276328870554
2012	46.493857138474574
2013	46.505098695960115
2014	46.412736586906654
2015	46.33918618120357
2016	46.25441452315127
2017	46.22675319992762
2018	46.13681855057889
2019	46.072092676152984
2020	46.04024649856985
2021	46.16404897482321
2022	46.050603989925825
2023	46.107036375763435