Year	% of total labor force
1991	43.583518151905196
1992	43.82310939751755
1993	44.07084317425258
1994	44.32604255358091
1995	44.593007173133245
1996	44.834732017862976
1997	45.08886081760812
1998	45.35587324946531
1999	45.63715648778693
2000	45.93206641829414
2001	46.015188935462874
2002	46.09938081955261
2003	46.18669386303552
2004	46.27465921114533
2005	46.36511546983376
2006	46.456611787577415
2007	46.54852212361564
2008	46.64106298307606
2009	46.73302634699292
2010	46.79636588613403
2011	47.11963855627487
2012	47.16176409401987
2013	47.354294199427876
2014	47.564623790460836
2015	47.6696336039417
2016	47.76206852793779
2017	47.88541336697107
2018	47.97372637556468
2019	47.87189223080267
2020	47.89718638635592
2021	48.2514957350361
2022	47.13699169885569
2023	47.35101809607033