Year % of total taxes 2005 17.37893296853625 2006 15.18560713946644 2007 17.44173722451112 2008 18.09644231436393 2009 23.717296077218165 2010 18.29881730334048 2011 19.698543984324914 2012 20.85021858846575 2013 20.853389388161027 2014 20.967594698414768 2015 21.556303687497525 2016 22.55364040088442 2017 23.133907120687237 2018 22.643739904210747 2019 25.415044816251086 2020 26.153273889943545 2021 26.15951607162068 2022 29.106132851560908