Year	% of total labor force
1991	44.875469092158255
1992	44.85774549367577
1993	44.82603842890928
1994	44.8563736643022
1995	44.95976764620489
1996	44.98298658535659
1997	44.99419849165243
1998	45.01826256680894
1999	45.06487506431188
2000	45.10772215503882
2001	45.154833403851306
2002	45.17519313568376
2003	45.17404860419008
2004	45.19719974531501
2005	45.217220320522024
2006	45.13737407560257
2007	45.08592286718704
2008	45.03944267103719
2009	44.96750747116864
2010	44.905872829246206
2011	44.85010237163701
2012	44.77998658232336
2013	44.813312957174155
2014	44.86068434672297
2015	44.88235765536883
2016	44.95670095675776
2017	45.002951035686344
2018	45.02490534605021
2019	44.97347584834417
2020	44.98487129958372
2021	45.08935143268229
2022	44.757382721436656
2023	44.8111706137954