Year	% of total labor force
1991	3.4156038446036874
1992	2.3274062055299174
1993	2.2649397040694494
1994	1.8889605994301635
1995	2.909576488171806
1996	2.8286774295361568
1997	2.7496063721404096
1998	2.6724353762929662
1999	2.5968274968496385
2000	1.7789814667303914
2001	1.7273338987988582
2002	1.676244611624131
2003	1.6256256839152832
2004	1.4106262475225877
2005	1.5930017158904197
2007	1.4911701425132606
2008	1.4404240608435124
2009	1.330788283501602
2010	1.2835273630792396
2011	1.238170390725919
2012	1.1941703100743415
2013	1.151948942871929
2014	1.1132138483802738
2015	1.0790353102226515
2016	1.0466346011150565
2017	1.0639914880680954
2018	0.9927131888614616
2019	1.011959920604516
2020	1.051355723205073