Year % of GDP 1960 90.85188050327811 1961 89.27081304783218 1962 93.74570416017004 1963 96.85598539561225 1964 94.04787921791306 1965 91.92692417262518 1966 90.93963927091251 1967 94.88062917599981 1968 97.28742838614042 1969 96.5360500784729 1970 106.85142505716223 1971 104.0645368185641 1972 101.73368684452552 1973 103.84061387966695 1974 104.07771978913291 1975 106.73129429039531 1976 103.54487558177556 1977 104.89913066603825 1978 103.86357798936865 1979 104.28985761020229 1980 106.88260310976057 1981 107.72085537215428 1982 103.1778725204643 1983 107.94982257898455 1984 106.29327676156389 1985 103.99356136010414 1986 100.01649760827507 1987 99.28626126326114 1988 99.37607635395388 1989 100.08314245604888 1990 107.31691078498224 1991 107.03855608422008 1992 104.63210720022475 1993 102.61685112516723 1994 104.09095467988041 1995 105.4142223541557 1996 105.82589072057024 1997 99.3592353794124 1998 84.81110390545422 1999 86.93107014743333 2000 89.99230741919831 2001 92.58973010482131 2002 91.57406312905381 2003 92.38611793672078 2004 94.6699601770535 2005 99.91425469415822 2006 94.96506458314387 2007 91.97036325701407 2008 96.2077810603127 2009 89.68223047755968 2010 93.33300025119944 2011 95.89418183895754 2012 97.64554545791482 2013 96.3728357020487 2014 93.43159461793168 2015 90.82149499253464 2016 87.98012684696728 2017 88.16356271916028 2018 90.28207006962475 2019 89.75791237629501 2020 94.59787255086442 2021 99.09033065165808 2022 100.11101900878782 2023 96.8849703421303