Year	% of total labor force
1991	1.0331770366071844
1992	0.9575029417568058
1993	0.9313874464840296
1994	1.0089468360688405
1995	1.1849991282559282
1996	1.163722695846748
1997	1.1579186324593804
1998	1.1333193051234507
1999	0.9436359270856015
2000	0.7640918873069616
2001	0.7531214950376685
2002	0.7912363084748032
2003	0.794925308399641
2004	0.725232531997432
2005	0.7258514410224965
2006	1.0282011586456123
2007	1.02572764264196
2008	1.0278513452861024
2009	0.6430378528509948
2010	0.644887909701845
2011	0.5697699791834798
2012	0.5989412668443526
2013	0.603425774419799
2014	0.6003431729113992
2015	0.5733303308323237
2016	0.5476792178188284
2017	0.5056525209812086
2018	0.4849143156404263
2019	0.4947069652761883
2020	0.4953352627192189