Year	% of total labor force
1991	0.46717310827009306
1992	0.49580170372720844
1993	0.5393523954299426
1994	0.7098746486642455
1995	0.5554488197663691
1996	0.8543596419145735
1997	0.8704683713338938
1998	1.689502789038972
1999	1.7181618009960806
2000	1.6843723195805875
2001	1.8407605011777257
2002	1.7903003632554542
2003	1.9065913245328254
2004	2.657026144809237
2005	2.602893655922853
2007	1.5104729083356188
2008	1.4402076610010968
2009	1.3597339236434156
2010	1.294297030646824
2011	1.2534469791927803
2012	1.2137476195077326
2013	1.1776419202691437
2014	1.1444374176559904
2015	0.9058621432477367
2016	1.1209086012663523
2017	0.6673977901813298
2018	1.062595071557088
2019	1.0213559521620903
2020	0.6058565218402481