Year	% of total employment
2009	16.22487075148698
2010	15.93183104621589
2011	15.943144835982237
2012	14.443149501612817
2013	15.188270065246922
2014	14.847608933764464
2015	14.705189191103413
2016	14.677180269090075
2017	14.675535231857337
2018	14.559229076973585
2019	14.639171850426846
2020	18.056738161175662
2021	13.80720698801474
2022	13.246136832790164