Year % of GDP 1974 7.262441709349438 1975 11.009240542881894 1976 10.210176047325161 1977 9.912936500425854 1978 10.894183728936401 1979 10.611602237129127 1980 6.973923590054579 1981 9.333839232478724 1982 10.015889540299161 1983 11.349228818670836 1989 26.637775814761284 1990 26.484876978530007 1991 26.817826426896012 1992 30.917094644167275 1993 38.54386493819717 1994 38.82748678519942 1995 36.6467958271237 1996 38.666296963815334 1997 39.28987948684722 1998 40.26548672566372 1999 34.50044889059895 2000 24.830552920691005 2001 26.346042050430302 2002 25.60107649526141 2003 27.319334453745793 2004 26.5626548194979 2005 22.461062616925805 2006 19.809281348418175 2007 20.164152016686078 2008 17.68809534314807 2009 24.360559338427933 2010 14.71375066880685 2011 12.775179161481354 2012 13.763372223150377 2013 15.261274791289367 2014 15.602208312561164 2015 19.785604117448532 2016 21.15000063500127 2017 20.47556500295563 2018 19.541861786707614 2019 20.451374147381703 2020 23.75933157236402 2021 24.8518568259291 2022 23.255267262878355 2023 27.56362122007612