Year % of total taxes 1990 27.662758031024797 1991 29.376365775760632 1992 29.03805428993134 1993 29.703795022157063 1994 31.53598134046786 1995 23.396991632013965 1998 25.33195084960847 1999 26.04668663801213 2012 34.508750472211624 2013 34.38427690060216 2014 33.65802827111272 2015 35.4160343407189 2016 30.51094265279027 2017 25.754228096251957 2018 26.62566036704897 2019 27.26981739360243 2020 29.915075310140676 2021 27.228612491723375