Year % of GDP 1960 60.87496673614592 1961 57.13119137391735 1962 29.228888793219497 1963 53.3484866192368 1964 49.15243947531396 1965 41.7054027002981 1966 41.580873391034594 1967 40.40499479236185 1968 42.70345831991861 1969 45.63975595227073 1970 46.591702856546284 1971 41.04638263898866 1972 41.34928139480578 1973 47.348034018547786 1974 66.02637971815135 1975 65.54868070091527 1976 58.3250196084135 1977 62.31608409301609 1978 56.41679114215853 1979 54.007214285079385 1980 57.689270776365 1981 57.94772670991855 1982 52.92081176218615 1983 47.09294041133026 1984 42.9862644964222 1985 39.14883395023609 1986 26.785150230286387 1987 22.873343037180554 1988 26.231440535110067 1989 34.22323229407732 1990 36.503698317902824 1991 44.20803010911914 1992 41.28897140261456 1993 38.431825776705544 1994 42.41808286336318 1995 48.74499048133066 1996 47.59109571180705 1997 46.872393717320364 1998 40.69288768325602 1999 44.58614411858076 2000 56.94793397049216 2001 48.933404834655626 2002 50.016171858041666 2003 48.36949485885568 2004 53.825501785726416 2005 61.990748353062045 2006 61.80237896198187 2007 61.61728790249662 2008 65.84680452207586 2009 56.19313575407253 2010 54.8561298258352 2011 55.299282445965915 2012 53.81790258893322 2013 52.24260025171363 2014 49.652497347386344 2015 46.065509570594884 2016 42.66063400946422 2017 42.78998115406781 2018 45.29682294859623 2019 41.32334313833822 2020 34.862503385780315 2021 40.85728880002236 2022 46.36721094682058 2023 39.03634791377446