Year	% of total labor force
1991	1.725664300130251
1992	1.5210714878248086
1993	1.4677932017125532
1994	1.443643389058723
1995	1.725823456375212
1996	1.5626161297485581
1997	1.5281159503146484
1998	1.5195366198830087
1999	1.5216022572613648
2000	1.3667101346879102
2001	1.2905264210096796
2002	1.0580878768376532
2003	1.0632834111008287
2004	0.9356041562770809
2005	0.9207238048536126
2006	0.8519185407003795
2007	0.8180661733727642
2008	0.8135375839856662
2009	0.6803822919019376
2010	0.6723861955901657
2011	0.6504437563680675
2012	0.9453297263010436
2013	0.9443680802276502
2014	0.9389458481603321
2015	0.9420477532570196
2016	0.971056845145173
2017	1.0362025855261814
2018	1.0696670855606962
2019	1.0312416007008516
2020	1.035869814950901
