Year	Percent of total labor force (Units)
1982	20.563
1983	19.721
1984	17.623
1985	15.306
1986	10.941
1987	5.963
1988	3.888
1989	3.600
1990	2.824
1991	2.732
1992	3.342
1993	3.939
1994	4.492
1995	5.116
1996	5.785
1997	6.561
1998	6.888
1999	7.698
2000	6.501
2001	6.800
2002	7.200
2003	7.698
2004	8.395
2005	9.567
2006	9.081
2007	8.522
2008	7.222
2009	7.328
2010	7.800
2011	7.900
2012	8.100
2013	8.000
2014	7.800
2015	7.900
2016	7.300
2017	7.100
2018	6.900
2019	6.700
2020	9.200
2021	9.100
2022	6.803
2023	6.270
2024	6.270
2025	6.270
2026	6.270
2027	6.270
2028	6.270
2029	6.270