Year % of GDP 1960 19.911646591664482 1961 19.109158391608787 1962 21.03588910251673 1963 19.190297118051912 1964 19.044512038273737 1965 19.270138278824295 1966 21.600069188619294 1967 22.138779143479084 1968 24.960373010949873 1969 20.605302707611692 1970 22.451253559779836 1971 27.270514729921175 1972 27.95798973766353 1973 34.53763474031399 1974 41.404370100131956 1975 35.40505004483065 1976 34.01390427315741 1977 34.44221023729022 1978 33.295828816945374 1979 36.079581767021764 1980 35.02500959131353 1981 29.915273689660953 1982 32.41294558816885 1983 30.87601734481294 1984 33.05830053321004 1985 35.71730939740879 1986 33.1106044808965 1987 37.73072285478745 1988 42.66230147566657 1989 45.11298118648792 1990 44.594912294027836 1991 45.19663998455598 1992 44.80654365220694 1993 43.171218423468275 1994 43.77774749519976 1995 45.911270731824374 1996 44.21570268321529 1997 45.01718631807648 1998 43.39510794980504 1999 49.201250798937636 2000 65.40429538263906 2001 56.128486744205 2002 54.796643936613606 2003 52.3575426975979 2004 56.07454672399421 2005 61.95815079025719 2006 65.84235561665616 2007 68.85058544626769 2008 74.59029636484391 2009 57.34734606276085 2010 65.77738491350622 2011 70.03568375252486 2012 67.0029290916898 2013 63.43330033424136 2014 61.426376621756496 2015 47.828039707782644 2016 40.53449179966469 2017 43.6177233172817 2018 48.0093480992122 2019 48.082849940214686 2020 43.989312439832354 2021 53.1511986943634 2022 61.62166239418687 2023 57.84775434817836