Year	Percent of total labor force (Units)
1980	7.517
1981	7.617
1982	11.100
1983	12.000
1984	11.375
1985	10.508
1986	9.608
1987	8.800
1988	7.775
1989	7.508
1990	8.150
1991	10.317
1992	11.217
1993	11.375
1994	10.392
1995	9.467
1996	9.608
1997	9.092
1998	8.292
1999	7.567
2000	6.833
2001	7.225
2002	7.683
2003	7.592
2004	7.150
2005	6.750
2006	6.450
2007	6.158
2008	6.308
2009	8.458
2010	8.142
2011	7.617
2012	7.408
2013	7.175
2014	7.033
2015	6.950
2016	7.033
2017	6.408
2018	5.850
2019	5.700
2020	9.725
2021	7.483
2022	5.267
2023	5.408
2024	6.323
2025	6.255
2026	5.988
2027	5.984
2028	5.972
2029	5.959