Year	% of total labor force (national estimate)
1992	6.533618789869339
1993	7.011344334631394
1994	8.393918604846899
1995	8.513928265772307
1996	9.053548481409416
1997	9.889676639162053
1998	10.768251535992476
1999	11.57397458365826
2000	10.160947704079582
2001	9.84355166270663
2002	9.6332702890666
2003	9.481436815095657
2004	9.21575395720477
2005	8.567849438586524
2006	8.18461538248374
2007	7.468247657833853
2008	7.337791425540787
2009	9.14455128070446
2010	8.734467738671109
2011	7.998723636908142
2012	7.507655242775456
2013	7.559370342981421
2014	7.500486618531157
2015	7.489539223883828
2016	7.432300832641703
2017	7.074638496294596
2018	6.846283467656538
2019	6.902536200199086
2020	7.1048433770254915
2021	6.828415425372711
2022	5.582802318320147