Year	% of total labor force
1991	44.84455738743817
1992	44.84228358953708
1993	44.78590007981056
1994	44.774687375853546
1995	44.75778189976999
1996	44.741790026282835
1997	44.6833634760049
1998	44.694205096763866
1999	44.646511877507834
2000	44.59978483975874
2001	44.41497672628431
2002	44.249100854237035
2003	44.1525356162534
2004	43.96885346170761
2005	43.90027437556679
2006	43.79961366634826
2007	43.87460837210946
2008	43.789622541760494
2009	43.70482655520306
2010	43.623789345591064
2011	43.65980304892351
2012	43.69417930010609
2013	43.71436524302911
2014	43.767600556943584
2015	43.82671235905099
2016	43.88362199076878
2017	43.95728543592515
2018	44.063200741604945
2019	44.1634643683609
2020	44.079637407824094
2021	44.371488398955144
2022	44.18036466056326
2023	44.15132270988028