Year	% of total labor force
1991	45.8074552717318
1992	45.460750378845376
1993	45.26075589700369
1994	45.00770634434811
1995	44.781208916533295
1996	44.58209248751113
1997	44.42037172934997
1998	44.25292515662523
1999	43.895784497288865
2000	43.44291658000891
2001	43.08469469880342
2002	42.71502768632367
2003	42.30180973984304
2004	41.91539613271804
2005	41.54776211101734
2006	41.21243459005946
2007	40.92377074584406
2008	40.67062837371078
2009	40.43160414658449
2010	40.25377627357814
2011	40.16592818543987
2012	40.05636028176453
2013	39.938109445540924
2014	39.83979243199317
2015	39.76543218206506
2016	39.35720745405122
2017	38.94298851771813
2018	39.37523149185497
2019	38.79646105665028
2020	37.71906674162117
2021	37.73766559602508
2022	37.762451246656184
2023	37.97585123519773