Year % of GDP 1960 3.5315712187958903 1961 3.7645429362880902 1962 3.71108343711083 1963 3.38733905579399 1964 3.42246520874751 1965 3.5544186046511594 1966 3.14398111723053 1967 3.25957446808511 1968 3.27555555555556 1969 3.07933789954338 1970 3.2564885496183202 1971 3.4997938144329903 1972 3.4455205811138 1973 3.34945054945055 1974 3.19302137958854 1975 5.11945392491468 1976 4.94302721088435 1977 4.7136230237621906 1978 4.1873064036917595 1979 3.3572585580072696 1980 3.9003132966796703 1981 3.82453186997909 1982 4.29815131212686 1983 3.93760520546007 1984 3.672848473749753 1985 3.5892304005492868 1986 3.6916104847419633 1992 2.6817170112433804 1993 2.766707339280025 1994 3.0075582140800647 1995 3.041779390803475 1996 3.2283011946143847 1997 3.3450637073958176 1998 2.8382199932858967 1999 3.291929415179134 2000 3.1427912893037773 2001 2.963247294203026 2002 3.1246805384031795 2003 2.796311031571718 2004 2.3975807021345714 2005 2.238627699871466 2006 2.222280188362901 2007 2.2018924117492094 2008 2.1395621400398093 2009 2.22569067897555 2010 2.0386645342900973 2011 1.8921488306773688 2012 1.8988075144135674 2013 1.8372530156050326 2014 1.867151158529022 2015 2.036594445063988 2016 1.9811035053453334 2017 1.9298829507710966 2018 2.2638401076561507 2019 2.416685663953995 2020 2.3469472126819815 2021 1.9861145707212728 2022 4.506971307431444