Year	% of total labor force
1991	42.66823199430898
1992	42.787603754311895
1993	42.88200616623212
1994	43.15457012995262
1995	43.287576762797045
1996	43.448288558854195
1997	43.624536485333664
1998	43.696717339773656
1999	43.87344689104844
2000	44.01959712147134
2001	44.155438882053645
2002	44.30279886252948
2003	44.46205354494413
2004	44.6062164453033
2005	44.75156585276151
2006	44.890072101429745
2007	44.953914700619194
2008	45.086669661732955
2009	45.2931182904335
2010	45.364825248259336
2011	45.40352271401292
2012	45.43991516847659
2013	45.51565405468401
2014	45.59433715269755
2015	45.59297245053885
2016	45.66489334787678
2017	45.77622376393515
2018	45.83884634397464
2019	45.96911415990205
2020	45.96872256224319
2021	46.12557336196933
2022	46.15554318525987
2023	46.27381387328025