Year % of GDP 1970 26.755966877739706 1971 25.146132116470966 1972 29.67158044362898 1973 24.492213815412715 1974 11.063792680621258 1975 17.70598323972895 1976 20.780978879780125 1977 24.908183388550363 1978 26.198023420721018 1979 21.225029304986922 1980 18.43135127768326 1981 23.710121407967314 1982 30.98144833264977 1983 36.053606933202055 1984 42.42746951557222 1985 50.47504444269756 1986 68.3352366027034 1987 68.85175144813617 1988 56.90640859342432 1989 60.340066056910565 1990 50.756308800319296 1991 55.54948914431673 1992 53.98674090998238 1993 64.83301119578849 1994 68.61676955282884 1995 62.86375076448248 1996 59.61062771744988 1997 52.515076737538244 1998 62.504952618285294 1999 57.59615171465939 2000 44.482411904835566 2001 62.365534147869674 2002 61.484142500425634 2003 53.38212763970442 2004 47.81380808920285 2005 48.67714555404063 2006 49.714650897293005 2007 52.984427472497174 2008 43.85426983457385 2009 60.418592866011586 2010 58.12243621142552 2011 50.75563552563297 2012 56.03114555180889 2013 62.99899154431168 2014 67.1444589507132 2015 88.56012349247939 2016 90.08567785523171 2017 102.88732535128212 2018 84.5159362793938 2019 90.03290792295057 2020 114.12131602853346 2021 93.01092915877997 2022 83.25311645642886