Year	Percent of total labor force (Units)
1980	5.429
1981	6.561
1982	7.100
1983	8.694
1984	8.986
1985	8.742
1986	7.654
1987	7.361
1988	6.451
1989	6.792
1990	6.637
1991	6.377
1992	5.935
1993	5.038
1994	4.914
1995	5.649
1996	7.800
1997	7.900
1998	9.700
1999	13.100
2000	13.325
2001	14.975
2002	15.583
2003	14.108
2004	13.667
2005	11.808
2006	12.042
2007	11.192
2008	11.250
2009	12.208
2010	11.992
2011	11.050
2012	10.617
2013	9.883
2014	9.400
2015	9.200
2016	9.550
2017	9.675
2018	9.942
2019	10.883
2020	16.675
2021	13.800
2022	11.208
2023	10.100
2024	9.872
2025	9.578
2026	9.278
2027	9.178
2028	9.278
2029	8.678