Year	% of total labor force
1991	51.29791709298775
1992	51.0839309337197
1993	50.9084186905592
1994	50.77429993631689
1995	50.664076979846804
1996	50.453153460424815
1997	50.48607554794653
1998	50.588682847446165
1999	50.59234820300799
2000	50.710365510867014
2001	50.90637192209937
2002	51.04987361938296
2003	50.60361984678012
2004	50.183533853854115
2005	49.80705173248789
2006	49.397526101276064
2007	48.90504423304332
2008	48.37136547945576
2009	47.821915243180555
2010	47.25633137739098
2011	46.67035118369
2012	46.076790635682876
2013	45.473067103835376
2014	44.84606672600851
2015	44.18819261125604
2016	43.50654500481203
2017	42.81525629827536
2018	42.110981689322394
2019	41.387076326104804
2020	41.29505020028416
2021	41.14084824840417
2022	41.38657126106084
2023	41.325023644255864