Year	% of total labor force
1991	0.8279451190663932
1992	0.8401577052390706
1993	0.8163607602099828
1994	0.7958428065758321
1995	1.389673634267452
1996	1.3521109018477024
1997	1.3138253004834877
1998	1.2791156680011568
1999	1.2465589450387429
2000	1.2167226359079184
2001	1.2165401413588846
2002	1.1857898546221637
2003	1.1815836870855296
2004	1.138882318413975
2005	1.149307714498172
2006	1.808666965143092
2007	1.7758320729479031
2008	1.0644916972308844
2009	1.0704392378039032
2010	1.0274498175301148
2011	0.983660282088866
2012	1.4605768751891566
2013	1.4399847408830082
2014	1.6427012621170893
2015	1.551532271871255
2016	1.51628550386242
2017	1.494049893690985
2018	1.44069399882514
2019	1.3945124951265717
2020	1.4775130832743022