Year % of GDP 1960 20.01869702510058 1961 20.207460374457366 1962 20.530336373594636 1963 21.110933670316896 1964 20.155667542957072 1965 20.659236506110002 1966 21.751230071115504 1967 22.010995573656743 1968 22.42780903658457 1969 24.014427671531262 1970 24.85023279417926 1971 24.924529026467525 1972 26.110415529012815 1973 28.50499401426833 1974 35.855076323387856 1975 32.28605160619289 1976 36.120942975380466 1977 36.25711827172155 1978 35.73497087911387 1979 38.134800461288364 1980 37.473538148573425 1981 39.77939767096237 1982 37.709645499915545 1983 34.46284351861044 1984 36.47647650569989 1985 36.35617879832616 1986 30.697093894762556 1987 30.08167442289858 1988 29.879690851233192 1989 31.611847055499272 1990 29.822658662138203 1991 28.256965535517754 1992 27.769781178466385 1993 29.79685372458709 1994 32.79862868202743 1995 37.43680936028703 1996 35.09194535816835 1997 36.27936221966934 1998 36.554866080095636 1999 36.42478475375094 2000 41.796865570428096 2001 41.15585263756487 2002 39.274282746249824 2003 37.83239019421607 2004 39.250823940870774 2005 40.787751912661754 2006 44.083467571153534 2007 45.70705640085811 2008 45.86239374544323 2009 37.36548194019068 2010 43.74093064837305 2011 47.148047453014804 2012 47.43297003484051 2013 46.5803154582252 2014 46.44711071449769 2015 47.25531849712677 2016 46.27020937569281 2017 48.96227249779397 2018 50.325048112507375 2019 50.35165777626055 2020 48.83677132744396 2021 54.90136221021217 2022 65.45139154300381 2023 58.38935148208368