Year	% of total labor force
1991	50.035871389376204
1992	50.096627938619356
1993	50.21240218394091
1994	50.351756539907946
1995	50.42077683439267
1996	50.388875273222446
1997	50.372932659460254
1998	50.39017159788053
1999	50.44822286734857
2000	50.51117405022636
2001	50.52745218869015
2002	50.55215493524715
2003	50.55850469922286
2004	50.55424245153728
2005	50.54639161440878
2006	50.49505865306377
2007	50.4533312152618
2008	50.41441777085335
2009	50.38117804756973
2010	50.35805685616543
2011	49.7981124536432
2012	49.80340686704297
2013	49.8123615929065
2014	49.82365969458403
2015	49.83663767408732
2016	49.849023588185936
2017	49.859749590234905
2018	49.8754787569301
2019	49.89327815842182
2020	49.87957871488957
2021	50.14206403916266
2022	49.54920492145849
2023	49.59274207852303