Year % GDP 1961 11.259418729817009 1962 9.681352459016393 1963 9.133268482490273 1964 9.049460431654676 1965 9.900684931506849 1966 10.246449456975773 1967 9.79051987767584 1968 11.237311385459533 1969 11.200251098556183 1970 11.097246645268797 1971 12.855410051194136 1972 14.148813704521611 1973 15.193364653800423 1974 15.404962907138989 1975 12.615108524827766 1976 15.305975706280579 1977 16.774491303426387 1978 15.994424564983715 1979 18.616410404581966 1980 18.44833835714197 1981 20.668518949968078 1982 20.546718784746766 1983 21.740736800432547 1984 23.132470725757926 1985 24.89685228296957 1986 24.241204788533157 1987 25.545216412045082 1988 25.423351592780943 1989 29.589482711454565 1990 31.437054446329366 1991 33.96375827911181 1992 33.22458018227836 1993 34.0561930009972 1994 32.71329312289486 1995 32.62457338316581 1996 31.887812174155375 1997 28.65149873502153 1998 26.75805795296181 1999 25.443049880774364 2000 29.14162706936922 2001 27.051572247767318 2002 34.011530671993086 2003 35.122490372467695 2004 39.075021142722846 2005 44.97794587584256 2006 49.90449185621268 2007 50.46861996669275 2008 52.59371832163888 2009 51.73370079604733 2010 50.103343599342686 2011 47.67617916472718 2012 47.82179459647785 2013 48.03496712785795 2014 48.77041852649836 2015 50.83924902851202 2016 53.824421990769494 2017 54.40393621870247 2018 54.478259628432326 2019 55.49148203299845 2020 61.587472515960975 2021 65.24074276792972 2022 61.2951775462177 2023 59.3703921575862