Year	% of total labor force
1991	45.79241314266411
1992	45.7690503639764
1993	45.77692556641782
1994	45.805542563482135
1995	45.85470846341153
1996	45.853601986917624
1997	45.873687018383755
1998	45.90055358391581
1999	45.942656220058794
2000	45.98863036819276
2001	45.97704673886233
2002	45.965550679090605
2003	45.92476808502035
2004	45.88206123974425
2005	45.84189574666794
2006	45.76335307778954
2007	45.73932339466201
2008	45.68518850311253
2009	45.63468923698675
2010	45.589090290808315
2011	45.572042085738836
2012	45.56325694400692
2013	45.562525093835234
2014	45.34718396497634
2015	45.15174981464871
2016	44.90408748025058
2017	44.64550272255171
2018	44.32785112333538
2019	44.07186396643376
2020	43.99910965687218
2021	44.06910719204159
2022	43.952890042784965
2023	43.98939627115581