Year % of GDP 1960 37.65055173337258 1961 39.19645220239399 1962 32.9045360353522 1963 31.348167908469044 1964 31.94745124750526 1965 29.949146581769437 1966 31.497691261335532 1967 30.9222987804878 1968 30.628879371791 1969 28.67218480437253 1970 29.62336686479197 1971 27.612838857324668 1972 28.02457742557293 1973 32.90535081135902 1974 47.059029230769234 1975 45.754783051825 1976 40.47245076966664 1977 40.733828391712386 1978 33.8295549515901 1979 35.42610505294716 1980 30.816646442042206 1981 38.14891635817856 1982 36.04397611350617 1983 34.44624586408597 1984 41.02621400169868 1985 40.12331641953276 1986 32.041787027971885 1987 32.326839679040184 1988 32.674200445081986 1989 33.555882442558946 1990 37.067649979617094 1991 34.55723025782961 1992 33.58244099388704 1993 32.94217016222883 1994 38.838182865878096 1995 43.30995737577385 1996 38.42538492691589 1997 42.29351628534302 1998 37.51375711204397 1999 37.95624713883065 2000 44.089079241973856 2001 41.48160161113829 2002 41.87378024039178 2003 39.683357991387076 2004 41.96832585632022 2005 46.44700857896598 2006 48.39503124981112 2007 54.45789117888775 2008 61.58830255295202 2009 46.39911241145514 2010 52.69600592936759 2011 59.888828036372985 2012 62.01572580622786 2013 58.02869670604244 2014 58.92932440341744 2015 54.73408844775021 2016 57.40818157037383 2017 58.850736096510126 2018 62.54616163940708 2019 61.94991852277237 2020 58.49844886535697 2021 66.19550009280418 2022 86.53715198344858 2023 78.14789159069333