Year	% of total labor force (national estimate)
1994	6.686445871211047
2000	5.399247040687649
2005	5.888773042889014
2010	4.887479673224672
2012	4.9568966761449085
2018	6.9562983346303655
2019	6.349193963449397
2020	7.435473347775826
2021	6.526700904966157
2022	5.524924833325671