Year	Percent of total labor force (Units)
1980	6.864
1981	7.018
1982	6.667
1983	6.504
1984	6.349
1985	6.818
1986	6.667
1987	7.092
1988	6.944
1989	6.667
1990	4.267
1991	4.580
1992	3.060
1993	3.157
1994	3.202
1995	3.240
1996	4.370
1997	3.320
1998	4.020
1999	3.850
2000	3.918
2001	4.000
2002	4.020
2003	5.300
2004	5.990
2005	4.909
2006	3.575
2007	3.211
2008	3.156
2009	3.292
2010	4.119
2011	4.474
2012	3.754
2013	4.096
2014	5.488
2015	6.147
2016	6.727
2017	5.528
2018	5.648
2019	5.386
2020	10.912
2021	8.569
2022	8.900
2023	8.082
2024	8.005
2025	8.000
2026	8.000
2027	8.000
2028	8.000
2029	8.000