Year % of GDP 1960 1.04570103397111 1961 1.22625218915007 1962 1.25285776742438 1963 1.23483535528596 1964 1.49910409119841 1965 1.8939664743657 1966 1.78897085572526 1967 1.92049880092753 1968 2.21525157632088 1969 2.41452726881061 1970 2.86952554744526 1971 3.83978501500179 1972 3.51528581289282 1973 4.79085144785429 1974 4.88600893527518 1975 4.4125279634606 1976 3.62596299658482 1977 4.78819444444444 1978 5.70393246689915 1979 6.41998646671174 1980 8.57393724354149 1981 9.19031756831814 1982 8.63172863383835 1983 8.09597156398104 1984 8.48591032336429 1985 9.85231614648177 1986 10.5816165386548 1987 10.4515846173118 1988 11.7862065378514 1989 13.0486507074124 1990 12.8086563007658 1991 13.3538501304513 1992 13.4183154961156 1993 14.5730979838572 1994 18.5501224457024 1995 22.8314360670697 1996 23.1977638773387 1997 23.8850742640305 1998 28.6630823181372 1999 28.875948254061 2000 30.6706208188085 2001 29.4159104513955 2002 22.8689008212118 2003 26.1425740318245 2004 27.0973304111391 2005 28.7261508079238 2006 33.1513862786737 2007 37.2815056472404 2008 51.6526455292715 2009 59.1784546318174 2010 54.5899877856031 2011 46.4246531230953 2012 48.7543496534141 2013 50.4622708384351 2014 54.4670476035099 2015 56.9082740653704 2016 69.8408001121159 2017 69.1891243413532 2018 76.3246080076577 2019 78.9459108984054 2020 88.4400394663268 2021 103.651351375401 2022 94.4669915630639 2023 91.8734135811325