Year	Percent of total labor force (Units)
1980	7.175
1981	7.617
1982	9.708
1983	9.600
1984	7.508
1985	7.192
1986	7.000
1987	6.175
1988	5.492
1989	5.258
1990	5.617
1991	6.850
1992	7.492
1993	6.908
1994	6.100
1995	5.592
1996	5.408
1997	4.942
1998	4.500
1999	4.217
2000	3.967
2001	4.742
2002	5.783
2003	5.992
2004	5.542
2005	5.083
2006	4.608
2007	4.617
2008	5.800
2009	9.283
2010	9.608
2011	8.933
2012	8.075
2013	7.358
2014	6.158
2015	5.275
2016	4.875
2017	4.358
2018	3.892
2019	3.675
2020	8.092
2021	5.350
2022	3.633
2023	3.625
2024	3.993
2025	4.221
2026	4.258
2027	4.214
2028	4.163
2029	4.112