Year % of total taxes 2012 25.012279051951815 2013 24.444643633133534 2014 23.57634925147263 2015 23.848007845161003 2016 22.562887749860323 2017 22.214288007532392 2018 21.54737421827406 2019 22.54038991516353 2020 22.63192302705572 2021 23.781662727683564