Year	% of total labor force
1991	48.23010665558192
1992	48.11581523121642
1993	48.048027133095026
1994	48.005329644310365
1995	47.96958014952847
1996	47.93142742213863
1997	47.88716072288092
1998	47.84185191484603
1999	49.27931360430451
2000	49.885871414732016
2001	49.62566220574715
2002	49.24425327541586
2003	50.1100151677187
2004	49.47523522796155
2005	49.58901574706352
2006	49.98871350617095
2007	49.73270585914355
2008	49.809956861373436
2009	50.61427213214166
2010	50.76622000824849
2011	50.39687562397837
2012	50.47810036874346
2013	49.88749039614738
2014	49.83858237524491
2015	50.02705644322071
2016	50.014135487803145
2017	49.855910936465996
2018	49.616680222335695
2019	49.79217953077185
2020	49.42193091844546
2021	49.63958944121718
2022	49.74530336997178
2023	49.42149975559126