Year % of GDP 1960 74.74302496328929 1961 75.6606397774687 1962 75.96513075965132 1963 76.07296137339056 1964 74.35387673956262 1965 74.09470752089136 1966 74.86209613869188 1967 74.07670454545455 1968 74.47619047619047 1969 74.37214611872146 1970 77.25190839694656 1971 81.4020618556701 1972 84.08855067450709 1973 84.53296703296704 1974 89.45139169019765 1975 88.67514737821905 1976 87.81584062196308 1977 90.04070813215942 1978 85.2076616726721 1979 81.72491990929053 1980 90.86911635376438 1981 86.94342488292621 1982 86.32031413812166 1983 87.95035165182873 1984 87.58927313145823 1985 82.2304853898648 1986 80.3975387289959 1987 101.76721951663434 1988 96.2495502013937 1989 98.42291109733733 1990 104.090747422405 1991 105.73260295034143 1992 105.82068434415494 1993 108.60286242200598 1994 102.93556110411845 1995 106.57090350565718 1996 103.39546410911558 1997 105.40726839953354 1998 99.06295084454004 1999 100.04309701496898 2000 102.59203928809025 2001 95.50759138811962 2002 97.77215601587302 2003 100.21274183518526 2004 101.57633172885434 2005 102.38982191775956 2006 103.97320318604233 2007 104.07176534909159 2008 103.4156720426524 2009 100.04666865485564 2010 104.30619858663934 2011 107.31677312836625 2012 104.10905161500024 2013 104.94127978965034 2014 103.35521776657724 2015 102.02598892293682 2016 102.16116797164474 2017 103.68332405839197 2018 100.14881316857591 2019 97.04485898870028 2020 103.10217448195212 2021 99.59505232532659 2022 104.00172275085906 2023 102.42506616495587