Year % of GDP 1960 91.96429550838242 1961 92.24137900458636 1962 92.62295102698967 1963 96.24060233074631 1964 87.24831640273621 1965 89.47462579760273 1966 88.3493133652013 1967 86.96814306775207 1968 87.0817217716781 1969 85.86132307877186 1970 86.629847780744 1971 87.54367488259197 1972 87.2352445428193 1973 85.42194447980094 1974 89.14544217436878 1975 91.60008083806147 1976 85.13093526667976 1977 77.34840152440633 1978 80.6872868502175 1979 80.7943803807471 1980 91.37920203345439 1981 86.81854560381223 1982 91.5790097598421 1983 84.56009457767887 1984 85.85828925878599 1985 88.06708986893963 1986 89.108812253555 1987 83.6892167606077 1988 87.62092179726778 1989 86.55054259574638 1990 94.54914946512756 1991 93.40960141200011 1992 90.85188330005639 1993 85.74748185320522 1994 93.82194148027877 1995 88.93821676696906 1996 81.73087575066515 1997 81.73395565927655 1998 87.52748625687157 1999 84.34343434343434 2000 92.27794726425739 2001 90.60430890613075 2002 93.62057400090072 2003 89.28335871859613 2004 88.09625818226895 2005 90.39639344370839 2006 94.08702954424002 2007 91.01354865048516 2008 92.59101509623319 2009 83.92514016597697 2010 81.03962060688984 2011 86.15423683488123 2012 84.67522991165997 2013 89.08073005670076 2014 85.49994874550747 2015 75.4179085083594 2016 77.56405269158222 2017 76.2948426528167 2018 77.91468625363261 2019 77.30865000083735 2020 74.88441999966201 2021 74.9329899999585 2022 74.01079025644725 2023 75.57378972113897