Year	% of total labor force
1991	46.02050014022854
1992	46.000638942147255
1993	45.96878949776737
1994	45.936627048688266
1995	45.7983257550305
1996	45.61818111619814
1997	45.75798651022365
1998	45.82098027178925
1999	45.99153403499775
2000	46.13907109996035
2001	46.18021871486732
2002	45.89222985899962
2003	45.78277532140256
2004	45.621246213900214
2005	45.44917008846446
2006	45.38160902700026
2007	45.207086717363374
2008	45.10699265023129
2009	45.169600714116854
2010	45.1596748365368
2011	45.19309615866324
2012	45.25399239704426
2013	45.21368530769882
2014	45.23497561638597
2015	45.15336863823842
2016	45.09462185777354
2017	45.12559171807799
2018	45.092252426194804
2019	44.96008788648566
2020	44.81392085768123
2021	45.20881787325605
2022	45.54353751115554
2023	45.473251790842056