Year % of GDP 1963 90.11827219746314 1964 92.51118459443688 1965 90.64723234426513 1966 91.65746727645482 1967 88.14787556260085 1968 87.88086358677728 1969 86.55592171632254 1970 86.51955429320516 1971 91.8343132393568 1972 91.28442541357897 1973 92.32263224037473 1974 92.42660836976889 1975 98.63874217825648 1976 101.49744664719131 1977 100.57411536792824 1978 96.32422749664129 1979 91.94117647058823 1980 90.31178780972701 1981 90.2699348822051 1982 89.24434210997244 1983 91.83462023777827 1984 88.45824679323266 1985 89.32141237702818 1986 86.42437515050456 1987 84.82756037259945 1988 83.28987561491408 1989 82.00112211127367 1990 79.2653385339309 1991 77.74452844549256 1992 76.02013604797861 1993 75.57975016613196 1994 75.04793952628114 1995 74.72753687680948 1996 75.70295738929379 1997 76.62568351626669 1998 72.25328363507278 1999 71.77106204941131 2000 70.27671802119225 2001 65.47225047826565 2002 65.9015742039973 2003 66.42873065214079 2004 66.42784427784095 2005 68.0818887064306 2006 69.29547307191241 2007 69.92414210695343 2008 69.49208291817645 2009 68.70715127570924 2010 68.7383679622042 2011 68.42076417240564 2012 70.5870537824128 2013 71.3196681307955 2014 71.19081504561436 2015 68.4309144816712 2016 66.69091508548766 2017 69.12944497344013 2018 72.51493441338536 2019 73.37833313040302 2020 70.96088563175536 2021 82.38344549201045 2022 85.0752682112441 2023 87.07531574871737