Year	% of total labor force
1991	1.541777192731808
1992	1.379077000571449
1993	1.2927538270661114
1994	1.2039695607519285
1995	1.1325955628912585
1996	1.0773215785999155
1997	1.0288369940775761
1998	1.053403342698649
1999	1.0271492862313103
2000	0.937565654753711
2001	0.9077692630280001
2002	0.9251079819673541
2003	0.926727014493437
2004	0.9202212736420281
2005	0.9519425995920493
2006	0.9071400458715516
2007	0.9310687907725389
2008	0.9118358740904737
2009	0.9251054491912376
2010	0.9272339999670642
2011	0.8980113330072186
2012	0.8765325340502682
2013	0.8404873356247532
2014	0.8102999159793598
2015	0.7845368953511681
2016	0.7765717937332516
2017	0.7772256102475681
2018	0.7822024794407381
2019	0.7771394198445576
2020	0.7881503830257744