Year	% of total labor force
1991	48.39995220720017
1992	48.299668902862045
1993	48.1940137856199
1994	48.04688481525898
1995	47.92313036460147
1996	47.80468210439677
1997	47.70253206975591
1998	47.66519772962433
1999	47.583054304331974
2000	47.52948583949327
2001	47.48581223563651
2002	47.446630419610315
2003	47.40665293484573
2004	47.360682633799115
2005	47.26677136519401
2006	47.12608373690756
2007	47.00249727331499
2008	46.89564868312922
2009	46.80911321393001
2010	46.73941803469819
2011	46.69011201094169
2012	46.64763102306319
2013	46.610823238135644
2014	46.580013731138344
2015	46.582937195937
2016	46.62357766543043
2017	46.66944473603569
2018	46.71151778907353
2019	46.751568838293544
2020	46.760004148232426
2021	47.02045427043732
2022	46.78453460534478
2023	46.81696003922067
