Year	% of total labor force (national estimate)
1994	4.760636302212032
2000	4.948509686915375
2005	5.433099536361525
2010	4.590245223959514
2012	4.697852354392052
2018	6.22103408243695
2019	6.175492244476704
2020	6.727505343956334
2021	6.342803357903134