Year % of GDP 1960 91.59640586397144 1961 92.62562390876047 1962 92.85589366911509 1963 91.09122584732341 1964 89.88531213034501 1965 89.51480317821866 1966 89.4369741856619 1967 90.36119711042312 1968 86.53834212977335 1969 88.21849645671543 1970 86.38130252100841 1971 87.02640064490124 1972 87.50297434921238 1973 85.63754921230152 1974 84.65918344643946 1975 85.71546394580213 1976 84.60586513614803 1977 81.76261174116918 1978 84.16795426587308 1979 85.75753525461319 1980 86.86712147943189 1981 89.48010260307512 1982 89.7556552628997 1983 90.48618605585918 1984 90.57655976159916 1985 89.5383696592847 1986 88.20747197747524 1987 92.53458737585879 1988 92.1333733404733 1989 91.65153257096622 1990 90.21182829116393 1991 89.31976364654331 1992 90.9049546406684 1993 91.1265784827211 1994 91.6497016137222 1995 91.11623005369643 1996 92.08593908110596 1997 91.95519530480651 1998 90.68500462988443 1999 90.99666582820208 2000 90.92013181809479 2001 94.98181857904503 2002 94.38925002122777 2003 95.59943251040362 2004 95.83205428163963 2005 97.74013220217846 2006 97.70413490981494 2007 97.49505136970585 2008 99.90135745433334 2009 97.67520250292748 2010 98.13650722894965 2011 97.09058540111802 2012 97.8330987477263 2013 96.84628310226746 2014 96.52339107686814 2015 95.40548267117639 2016 95.00459047245667 2017 95.48322124861855 2018 96.88260545758564 2019 95.96295372565916 2020 94.94655649443916 2021 97.2042426192826 2022 99.97922442147788 2023 99.37624537749943