Year % of GDP 1960 55.84263152856823 1961 54.28366505038119 1962 54.70563176014955 1963 78.32716781360467 1964 70.01117455336653 1965 73.73905581621621 1966 67.92765856252625 1967 68.86553204491018 1968 64.52301639972116 1969 68.84092903883295 1970 69.17797637140194 1971 71.0005707392959 1972 85.24805447834102 1973 72.08272150403477 1974 71.23355792305624 1975 65.44329904844291 1976 54.42927397747184 1977 73.29099906302521 1978 72.14961102373887 1979 78.54134544213466 1980 66.52431907597877 1981 78.76198952129585 1982 83.69246648868702 1983 79.17374500193453 1984 76.79453036306387 1985 84.01412023845386 1986 62.78575692271146 1987 61.49070078156205 1988 51.81896598190643 1989 56.49229705241483 1990 52.450368267061585 1991 56.95068819617622 1992 49.74616556429275 1993 71.7116811685088 1994 74.11438539535048 1995 72.49671103223982 1996 72.7251652234963 1997 77.4946823072915 1998 67.3370286852552 1999 69.37605672239638 2000 69.83587113785266 2001 70.19338438082016 2002 66.4236244256503 2003 65.54151314081005 2004 65.31347436456872 2005 68.20564886194305 2006 69.4740421450524 2007 67.9704664919814 2008 77.8930618709738 2009 64.86045225105596 2010 81.18924666918431 2011 73.75493148782107 2012 102.90927480744554 2013 111.25417096210106 2014 128.97188911808507 2015 116.62987079543797 2016 111.77355001636843 2017 64.40944479545527 2018 71.59996623562583 2019 68.67204908246745 2020 70.71040800756703 2021 57.755617054034715 2022 67.42680253540485 2023 67.26413338190662