Year % of GDP 1962 74.50327718223583 1963 76.8058910162003 1964 75.92913513513514 1965 79.20087089452603 1966 75.48514227166275 1967 79.78378027522936 1968 76.98666140904311 1969 78.93979757330636 1970 80.66427691708078 1971 81.40929681642038 1972 85.06836844262295 1973 89.92744891216257 1974 96.23318025788565 1975 96.25036443216621 1976 100.31028338151418 1977 103.27212244780387 1978 96.9132407429121 1979 95.37734467023435 1980 91.45961940422119 1981 91.87477577729749 1982 88.7327428402602 1983 90.44572213343565 1984 85.34068837822124 1985 77.41314347110205 1986 73.16804905749102 1987 61.50110403264053 1988 66.71718254550653 1989 73.09001193940803 1990 59.76846548085619 1991 53.12446271724911 1992 69.65259985149575 1993 72.19296371677623 1994 72.26597854739751 1995 75.67960660101801 1996 73.86550315512615 1997 74.03577861774578 1998 70.04781873142352 1999 65.668812665627 2000 70.50340903865934 2001 68.99485143925233 2002 63.903228472821404 2003 66.14156933385668 2004 69.36512585133045 2005 75.08790668497701 2006 72.13560998320297 2007 73.32289565569697 2008 76.19568477377474 2009 69.73757878030705 2010 80.2772606304739 2011 82.5718220788865 2012 83.98330095506483 2013 82.9101231308199 2014 81.85160222902694 2015 74.25455973312415 2016 70.46919270941785 2017 73.40277234765017 2018 78.00291018489592 2019 70.69906341486964 2020 63.11236871831499 2021 67.01849961544627 2022 73.60285595301245 2023 75.90116431561154