Year	% of total labor force (national estimate)
1992	7.712769593998137
1993	8.837437455199211
1994	9.77666140835794
1995	9.497133179576693
1996	9.845832385169233
1997	10.162467912415517
1998	10.32960064925116
1999	10.390913492545385
2000	9.265657340196325
2001	8.615327317322688
2002	8.62945921309146
2003	8.706552907570979
2004	8.686909966370301
2005	8.364512079688707
2006	7.919549346771813
2007	7.18395983433689
2008	7.145665291795218
2009	9.078798298837576
2010	9.15026699681999
2011	8.80642063179391
2012	9.021725523154716
2013	9.21524302730105
2014	8.89578339583993
2015	8.510869760272309
2016	8.07517429141535
2017	7.477798837888964
2018	6.978344752484349
2019	6.718216572288266
2020	7.045984404625941
2021	6.917105223700678
2022	5.826858052888847
2023	5.53214090452842