Year % of GDP 1970 97.28482280298466 1971 96.71201122673436 1972 98.08990507474044 1973 97.54821969325718 1974 101.79937570866484 1975 89.9930254255795 1976 84.20256839882482 1977 88.61821990277497 1978 83.77835965586227 1979 79.68848188141367 1980 80.8650236076572 1981 81.232329974042 1982 84.54173330450968 1983 84.94477686994132 1984 86.29472276317412 1985 87.73838167656976 1986 84.54272624472708 1987 81.72138979009712 1988 81.17519638799267 1989 81.22222810125714 1990 80.18199625256912 1991 79.31610060976023 1992 79.28042562215892 1993 79.39964351846882 1994 79.12484169724121 1995 79.53103893671741 1996 83.04600566035619 1997 81.40689947966129 1998 80.74113997541032 1999 81.24133875467123 2000 81.21613597180922 2001 83.46695587337584 2002 79.74308479315427 2003 80.01053591949957 2004 82.36203948034205 2005 82.75749116588176 2006 83.43510147498002 2007 80.27041491261329 2008 79.69933026265673 2009 80.8742040675222 2010 77.66646710008305 2011 80.84903103590455 2012 79.28109463570443 2013 76.20947708019843 2014 72.3521564515917 2015 66.09374465000899 2016 64.15400363111671 2017 60.06004566918806 2018 61.43731122877904 2019 60.96608623545645 2020 63.87227620582179 2021 60.888901107338114 2022 60.67699980516383 2023 61.08429812077464