Year % of total taxes 1972 35.262206148282054 1973 36.04135893648445 1974 37.415881561238166 1975 39.32092004381169 1976 39.43775100401608 1977 41.43152099105299 1978 42.27353463587919 1979 44.608341810783244 1980 45.39781591263661 1981 44.81697939095668 1982 43.036072144288525 1983 41.51271462725503 1984 42.42714723926383 1985 43.110380116959085 1986 45.8454685626178 1987 48.07661612130881 1988 48.39388413522235 1989 44.67906586491393 1990 47.19576719576721 1991 49.19273461150331 1992 49.829287465827925 1993 51.65158617682318 1994 51.0474752168524 1995 48.4505177263961 1996 48.97467595483216 1997 49.51253223512294 1998 49.35846766556525 1999 50.65695406475277 2000 50.851872176044274 2001 50.85586716145326 2002 49.91225021625165 2003 50.090218353890904 2004 50.03076662935359 2005 48.84919310315304 2006 49.5768852694411 2007 49.62327411778416 2008 49.70320901489513 2009 51.11595625859273 2010 50.924135936674006 2011 51.78331229227108 2012 52.80609008514938 2013 51.804796006115716 2014 51.02808635752473 2015 53.88746882187399 2016 54.204665787425476 2017 54.48260633482032 2018 56.33289249050848 2019 56.335571485624335 2020 59.76778396009067 2021 60.01834298081877 2022 63.8017903824265