Year	% of total labor force
1992	0.6032709350096221
1993	0.5953792615511019
1994	0.6305821680094025
1995	0.33306592897321485
1996	0.564063513551626
1997	0.6594651830248089
1998	0.644150725826316
1999	0.5409283216767714
2000	0.6094131699409566
2001	0.5994862402920696
2002	0.6656970098899967
2003	0.6549538401714908
2004	0.6880014569442617
2005	0.7118619936881571
2006	0.8163404932873488
2007	0.8097912242539412
2008	0.8050307521747331
2009	0.7725461340693224
2010	0.7623053458904455
2011	0.7631280469009519
2012	0.782240382469533
2013	0.7926950816767366
2014	0.7932628651488126
2015	0.7777573595290146
2016	0.7712169728221627
2017	0.8037871387933702
2018	0.7778107344580204
2019	0.7682705717250089
2020	0.7509547853699704