Year	% of total labor force
1991	45.94655805927071
1992	45.80351632306916
1993	45.7247102589784
1994	45.556019326346906
1995	45.331080677529954
1996	45.113317716242484
1997	44.92034165453704
1998	44.72207895715499
1999	44.518732089493376
2000	44.31851814594426
2001	44.11978544611248
2002	43.91314495372116
2003	43.695687430424016
2004	43.47606213294251
2005	43.26750313033845
2006	43.06874297563698
2007	42.875505459836226
2008	42.67615363731422
2009	42.47409641026821
2010	42.27161714000417
2011	42.07053518968446
2012	41.86818646778237
2013	41.66773315706943
2014	41.469113413774835
2015	41.27501812331237
2016	41.07688970403161
2017	40.873015285195194
2018	40.67218198066402
2019	40.77722841804688
2020	40.76979657586488
2021	40.845805261318674
2022	40.43308766174074
2023	40.46829723639013