Year	Percent of total labor force (Units)
1980	6.349
1981	7.438
1982	8.069
1983	7.383
1984	8.458
1985	8.700
1986	8.875
1987	9.150
1988	8.842
1989	8.700
1990	8.400
1991	8.617
1992	9.442
1993	10.267
1994	10.667
1995	10.508
1996	10.833
1997	10.892
1998	10.692
1999	10.442
2000	9.175
2001	8.458
2002	8.275
2003	8.517
2004	8.883
2005	8.883
2006	8.858
2007	8.017
2008	7.442
2009	9.117
2010	9.267
2011	9.208
2012	9.767
2013	10.308
2014	10.267
2015	10.342
2016	10.067
2017	9.417
2018	9.025
2019	8.425
2020	8.033
2021	7.875
2022	7.308
2023	7.413
2024	7.357
2025	7.018
2026	6.902
2027	6.806
2028	6.749
2029	6.693