Year % of total employment 2012 28.41160997213301 2013 28.40052714960617 2014 28.1542822723569 2015 27.72763855144833 2016 26.157816448989973 2017 28.060947146765738 2018 29.386680365634835 2019 29.704100209319805 2020 35.86543696568219 2021 29.681390216391076 2022 27.13589635222098 2023 27.12455467149182