Year	% of total labor force
1991	0.8997118333921021
1992	0.8965938042738116
1993	0.8717884041680785
1994	0.8489493798651166
1995	0.8798588970286835
1996	0.8460935486009522
1997	0.8220382845080747
1998	0.8010034646948598
1999	0.7834529189918606
2000	0.7631145583711155
2001	0.9915188882935799
2002	0.973417295582368
2003	0.9566439512938315
2004	0.7203154700660169
2005	0.70111207490271
2007	0.9400092627695354
2008	0.9234658041014248
2009	0.9098914697279107
2010	0.8962457590040355
2011	0.8836596047920784
2012	0.8757825783694041
2013	0.8677968148083868
2014	1.9827760360940059
2015	1.967772636569547
2016	2.0222833401187237
2017	2.58302155083409
2018	2.7085872798423933
2019	2.978696501568722
2020	3.2988226473119067