Year % of GDP 1960 10.547959411595777 1961 11.611306687131478 1962 12.055163485807464 1963 12.8663988470319 1964 11.703759146456688 1965 11.238064417640574 1966 12.011091090731847 1967 11.819940128933244 1968 12.181718855212143 1969 11.185413857263518 1970 10.987231069124437 1971 10.815703724252671 1972 10.41013330174438 1973 10.90536230398589 1974 11.173391917263825 1975 12.055455256143782 1976 13.85707160013079 1977 16.352152117936694 1978 17.957753704642695 1979 17.90425821591184 1980 18.511561584640944 1981 16.194442206653743 1982 18.59331557135252 1983 17.29293551948998 1984 20.04020417794301 1985 20.203408063915028 1986 20.64802101196655 1987 23.365627362936394 1988 27.487081824819704 1989 18.690411369086554 1990 19.446133250936352 1991 16.119721690783653 1992 24.158070294653662 1993 14.947073525080306 1994 16.693802856759316 1995 18.012960749757422 1996 16.93983475040636 1997 16.31507612879409 1998 15.784050598689323 1999 17.790891942157415 2000 24.265345119676095 2001 17.69269199076157 2002 17.923518401522873 2003 17.916262817472433 2004 21.000627601109993 2005 15.211271335257804 2006 5.88266510944872 2007 3.208174619787137 2008 2.047121468410419 2009 9.442600019183113 2010 15.315623719237534 2011 18.77391903852981 2012 20.005956932172683 2013 18.43869735613917 2014 19.560283481749313 2015 18.87751256684789 2016 18.12393761718424 2017 21.65065628914838 2018 10.37430633717394 2019 7.339160848091018 2020 8.867854392356973 2021 14.915903765140095 2022 16.695806020763236