Year	% of total labor force
1991	1.73143431132863
1992	1.6355583047540192
1993	1.5572459182338803
1994	1.55319169497056
1995	1.8309160835138205
1996	1.7824688737120662
1997	1.688558140116765
1998	1.6391782609177474
1999	1.555764692382029
2000	1.4357752376841375
2001	1.3483750255158897
2002	1.3225549459636021
2003	1.2560483876957467
2004	1.1773960504681165
2005	1.175154870088891
2006	1.1073610303796106
2007	1.0810395377223052
2008	1.0706713037502136
2009	0.9800704735152785
2010	0.9935984496681238
2011	0.9498143408803351
2012	0.9535306889301242
2013	0.9412168891500512
2014	0.933235951105939
2015	0.9243368371369195
2016	0.9135102829208042
2017	0.8864637916750406
2018	0.8839959633565426
2019	0.8761431839429541
2020	0.8889212673697621