Year	Percent of total labor force (Units)
1993	18.600
1994	18.600
1995	18.713
1996	23.529
1997	20.100
1998	14.219
1999	11.844
2000	14.300
2001	25.300
2002	31.200
2003	25.500
2004	26.800
2005	23.500
2006	23.700
2007	21.700
2008	26.600
2009	24.500
2010	23.700
2011	20.900
2012	23.000
2013	23.400
2014	26.900
2015	25.900
2016	26.900
2017	25.450
2018	26.250
2019	25.350
2020	25.925
2021	26.392
2022	24.420
2023	28.650