Year	% of total labor force
1991	45.52288844745831
1992	45.5389142197368
1993	45.56865046633201
1994	45.80758033932074
1995	45.714948939912944
1996	45.65108299203713
1997	45.39119307271008
1998	45.521806746017496
1999	45.69831142199191
2000	45.9583582652053
2001	45.90993970807726
2002	45.641498481953754
2003	45.604611836108816
2004	45.27443955434055
2005	45.08923149286896
2006	44.78837393674954
2007	44.71987541889165
2008	44.63474523444759
2009	44.70382913997773
2010	44.9311274930629
2011	44.90409687551173
2012	45.017592328936644
2013	44.987059641902405
2014	45.06523063951563
2015	45.06580806314327
2016	44.9518543048953
2017	44.86947075383304
2018	44.98956680331976
2019	44.818076432135406
2020	44.659515620697576
2021	45.268776752278455
2022	45.648897649338934
2023	45.55271000794022