Year	% of total labor force
1991	43.5127104785862
1992	43.55573062229719
1993	43.456793360108755
1994	43.64234832379118
1995	43.721578009270786
1996	43.806524642030624
1997	43.85795483055974
1998	43.96979410133716
1999	44.32643845066051
2000	44.39665322081399
2001	44.482852275631394
2002	44.702709515949934
2003	44.790138343220306
2004	44.797134693671374
2005	44.89215391622455
2006	45.02783568804488
2007	45.02495425223803
2008	45.0098674213666
2009	45.181405768516555
2010	45.21732586740871
2011	45.28012908573442
2012	45.34792573235595
2013	45.36824802014634
2014	45.362702024400974
2015	45.3424642257579
2016	45.36917683394194
2017	45.380281054407625
2018	45.39627984127766
2019	45.45445538429888
2020	45.45216473838422
2021	45.617370978862546
2022	45.62199810757706
2023	45.59690231322781