Year	% of total labor force
1992	1.87032752680618
1993	1.660345594354195
1994	1.6579850118826174
1995	1.9836616240693323
1996	1.925506007112546
1997	1.9360983054502543
1998	1.87939199000752
1999	1.7575010438020389
2000	1.657645088751927
2001	1.5830392541816425
2002	1.5385292997832687
2003	1.489273823393033
2004	1.4146972783585214
2005	1.4453095890491023
2006	1.3260058012845104
2007	1.3074287761592651
2008	1.2940297306146775
2009	1.2556374278950722
2010	1.2402619726979462
2011	1.1806837105050745
2012	1.1783131207665778
2013	1.118129953574505
2014	1.1380617582505714
2015	1.1647557944703844
2016	1.1542909656041231
2017	1.1392563621674514
2018	1.1350385653785573
2019	1.1319777892128267
2020	1.150536951227465