Year % of GDP 1965 67.44186046511629 1966 67.15462031107045 1967 68.12280701754386 1968 66.99074800062725 1969 68.08919078558772 1970 81.60402329274748 1971 78.8129822968679 1972 76.6744730679157 1973 79.07582732563189 1974 71.03630960072361 1975 73.85437004708855 1976 74.2731505431971 1977 77.88676490715817 1978 77.01598293006965 1979 73.55920602327173 1980 76.00338935178647 1981 76.13887554060548 1982 78.8027641328782 1983 74.85930029463137 1984 75.46628407460545 1985 75.86737529031247 1986 80.51924473493101 1987 77.50550695058055 1988 78.9298662910191 1989 79.40437335112983 1990 79.97910445001249 1991 78.96631417930301 1992 77.73570313298019 1993 78.28070654027142 1994 78.2955393390583 1995 79.20512790438546 1996 76.48783455625895 1997 77.81366318854224 1998 78.02275702346189 1999 77.32677341838196 2000 77.27989291077483 2001 77.73952322153063 2002 79.96182510060424 2003 80.10018884353126 2004 79.22757058073819 2005 78.70721979412959 2006 78.43439796136917 2007 78.20694080959399 2008 77.50464963128604 2009 78.64860627296463 2010 78.28552300141823 2011 82.96002329247555 2012 83.62807891706238 2013 85.50049812129886 2014 86.3481484606047 2015 88.70985343343482 2016 90.02706563021779 2017 91.0730652916583 2018 89.93660259661178 2019 90.62869503696054 2020 95.66150246606338 2021 94.65315245758526 2022 97.2495172151714 2023 98.6359289173519