Year % of GDP 1960 39.04317259501805 1961 46.24455688890546 1962 19.793872675119967 1963 24.68468205451112 1964 25.08405872792659 1965 22.603943556325458 1966 25.986197517809074 1967 23.434416768712037 1968 23.13563460335874 1969 23.78877682429611 1970 22.07273340054245 1971 18.44251915413979 1972 20.449561983245754 1973 25.503663001274425 1974 38.74904361387276 1975 33.688936216292056 1976 33.0545839253536 1977 30.58656693011 1978 25.53583672127666 1979 31.148300205341616 1980 34.33846146578935 1981 34.58725077387212 1982 30.924856323020066 1983 27.94180611203484 1984 25.71001618198412 1985 23.583932888083353 1986 12.854757336127848 1987 14.272474725221555 1988 15.507867878641285 1989 18.639263335762692 1990 23.4436850828471 1991 29.11782217052003 1992 25.319594279343743 1993 21.783876996166395 1994 22.530725245238102 1995 26.19477597905593 1996 29.760448325184736 1997 30.906311379864466 1998 22.57835400980394 1999 28.15011311846898 2000 42.069717721341554 2001 34.12123139580178 2002 33.137164097500474 2003 35.66906352874318 2004 38.392959459367646 2005 44.37128289831401 2006 45.76413426820874 2007 44.72015566540203 2008 45.64718180580537 2009 32.58600627115181 2010 34.98822961491196 2011 35.98808640932591 2012 34.38279200150354 2013 30.79936492908932 2014 27.619486370587776 2015 20.528141681045497 2016 18.4866879717888 2017 20.333679517167518 2018 23.42310573890802 2019 20.407941949490993 2020 15.535201111619088 2021 23.8825078175472 2022 31.44685581303831 2023 25.16752082139762