Year % of total taxes 1972 45.4795866074479 1973 47.53101344690982 1974 52.26796468938206 1975 48.6144190537496 1976 46.23435945578613 1977 42.83295222792164 1978 42.07266942139936 1979 40.53678852383156 1980 41.63146802389136 1981 41.97639712365221 1982 42.5597267122635 1983 41.027403478283425 1984 43.73835038658415 1985 45.17565732625602 1986 44.892519199122326 1987 45.130952578413975 1988 46.287315059157294 1989 46.95752276189258 1990 45.53283184761965 1991 46.417667648374014 1992 46.94775132275132 1993 47.80702060653459 1994 48.29720177106328 1995 49.78379383164868 1996 48.993830363835556 1997 48.44886248083065 1998 45.710121056965974 1999 45.835130873541466 2000 46.64190675196672 2001 43.66829324883807 2002 42.83951838091606 2003 43.52034878350668 2004 44.9979947417673 2005 46.99654727337549 2006 45.20432932255916 2007 49.22068195859479 2008 49.820372409600736 2009 50.1972971601458 2010 50.23572692448474 2011 49.89857978638109 2012 50.84362821665799 2013 51.88029027967613 2014 56.17446907959969 2015 52.72791759860445 2016 51.894710143688485 2017 52.704226659712795 2018 50.60066468234847 2019 54.94131048609998 2020 54.22383986803737 2021 57.234475189829695 2022 54.115942095981254