Year	% of total labor force (national estimate)
1994	5.130704634711383
2000	5.358550309216877
2005	5.667000208222
2010	4.781685180619571
2012	4.80822912261555
2018	6.157098736413887
2019	6.090336137448113
2020	6.6757528915857725
2021	6.273640819649167