Year	% of total labor force
1991	44.793477071385844
1992	44.78991051379605
1993	44.73178309654132
1994	44.720159223935035
1995	44.70224350964378
1996	44.68569577260665
1997	44.62519027962367
1998	44.63664159043302
1999	44.59073846011157
2000	44.54423624494152
2001	44.35856209276538
2002	44.19129982637001
2003	44.09433306797512
2004	43.909071977670514
2005	43.84081998664829
2006	43.73871436971271
2007	43.8146327122134
2008	43.72939689639734
2009	43.64318608100354
2010	43.56100516302355
2011	43.59837817056155
2012	43.63402927741877
2013	43.655147022595564
2014	43.709995581984984
2015	43.770245773954066
2016	43.82967518787849
2017	43.90392946612347
2018	44.010833146857465
2019	44.113389943215225
2020	44.03071900668702
2021	44.325787904099194
2022	44.13321556005844
2023	44.104249510271