Year	% of total labor force
1991	1.7432353751268206
1992	1.7369373625648312
1993	1.7236980908319945
1994	1.3699146200713042
1995	1.3242919282709162
1996	1.2082158679017316
1997	1.1883423614343291
1998	1.1338125581078935
1999	1.113047460343709
2000	1.094071383468894
2001	1.077082153671927
2002	1.0616645079488338
2003	1.0472802132860959
2004	0.8860273487108302
2005	1.193609415191067
2006	1.1541813103420415
2007	1.1179617321699078
2008	1.0863661053775122
2009	0.9264455197094666
2010	0.9042712607091554
2011	0.8835037233371198
2012	0.8978111364493365
2013	0.9140027837913357
2014	0.931968930818615
2015	0.9391409811608319
2016	0.9468057479224378
2017	1.0805495675100356
2018	1.0892218264955904
2019	1.0747574406801064
2020	1.1048350343189384