Year	Percent of total labor force (Units)
1980	3.359
1981	4.831
1982	6.734
1983	8.099
1984	8.058
1985	8.124
1986	7.834
1987	7.843
1988	7.735
1989	6.790
1990	6.155
1991	5.470
1992	6.592
1993	7.775
1994	8.425
1995	8.233
1996	8.908
1997	9.658
1998	9.383
1999	8.558
2000	7.950
2001	7.800
2002	8.600
2003	9.708
2004	10.333
2005	11.008
2006	10.042
2007	8.542
2008	7.425
2009	7.225
2010	6.575
2011	5.517
2012	5.083
2013	4.950
2014	4.708
2015	4.367
2016	3.908
2017	3.567
2018	3.208
2019	2.975
2020	3.625
2021	3.575
2022	3.067
2023	3.008
2024	3.288
2025	3.083
2026	3.016
2027	2.966
2028	2.950
2029	2.959