Year	Percent of total labor force
1980	7.517
1981	7.617
1982	11.1
1983	12
1984	11.375
1985	10.508
1986	9.608
1987	8.8
1988	7.775
1989	7.508
1990	8.15
1991	10.317
1992	11.217
1993	11.375
1994	10.392
1995	9.467
1996	9.608
1997	9.092
1998	8.292
1999	7.567
2000	6.833
2001	7.225
2002	7.667
2003	7.575
2004	7.158
2005	6.758
2006	6.292
2007	6.033
2008	6.158
2009	8.358
2010	8
2011	7.5
2012	7.325
2013	7.1
2014	6.925
2015	6.9
2016	6.992
2017	6.333
2018	5.825
2019	5.891
2020	5.999
2021	6.115
2022	6.251
2023	6.394
2024	6.5