Year % of GDP 1960 83.4325178907724 1961 87.12729334129541 1962 90.59583788375197 1963 91.25215680826496 1964 91.86820318527722 1965 96.55444206733476 1966 95.07063725988414 1967 93.42868187089293 1968 94.63441757019739 1969 91.53189760260057 1970 90.83318720296195 1971 91.83806222622263 1972 83.6586416423468 1973 82.31632051347664 1974 86.00639472946645 1975 78.8462284146477 1976 84.56699719094016 1977 85.41402251531468 1978 86.9476286329841 1979 84.38595220775443 1980 89.09356571961014 1981 84.68435404493935 1982 88.95692648837603 1983 87.6223574778214 1984 90.39887879075383 1985 87.29916479002408 1986 83.97510310617692 1987 84.16250580710243 1988 79.16982015190027 1989 82.3655993277192 1990 84.62733870729942 1991 86.28705363395254 1992 88.06603312279762 1993 85.46609404767315 1994 83.73643283020206 1995 83.39497910375215 1996 82.81480388159132 1997 81.6872568246378 1998 79.22215581672572 1999 79.22777798206309 2000 80.41208061220419 2001 79.95868355663866 2002 80.31850691315458 2003 80.73434412513707 2004 78.42912100400287 2005 80.21821128696297 2006 80.3897785964503 2007 80.07179567064723 2008 83.55485755711484 2009 84.97694304856206 2010 84.26846572387402 2011 85.58945986502195 2012 84.92657361188537 2013 83.62377215931737 2014 82.08070244405167 2015 81.20576795316245 2016 80.7950218468635 2017 80.38891042379748 2018 79.1574328609125 2019 78.86775733159533 2020 82.31922584845898 2021 77.87737030532688 2022 76.82965564140362 2023 76.00069937925659