Year % of GDP 1960 104.27286918159805 1961 103.16452240495175 1962 103.23970228994956 1963 103.29838497020172 1964 103.79831575323213 1965 105.00012270816596 1966 104.5068363917288 1967 103.67394053081647 1968 103.54092185042948 1969 103.72118243788258 1970 104.07248816201155 1971 101.7649318887607 1972 101.20327500103544 1973 99.73185289564695 1974 103.51368063106423 1975 103.14763695988898 1976 104.36265765637916 1977 103.52612086244176 1978 100.20199364657051 1979 102.64625029811954 1980 103.63268209360284 1981 101.29265872890629 1982 101.49126624782427 1983 99.0885057202622 1984 97.8995326483806 1985 100.35130192838275 1986 98.6071345354643 1987 100.1222796336041 1988 100.63635513043265 1989 102.42677115553873 1990 102.45140153659709 1991 100.39646826236144 1992 99.90390289702523 1993 97.3144510923372 1994 96.64501876673177 1995 94.35239538214564 1996 94.48077471563057 1997 93.7447399437983 1998 94.29840146221036 1999 94.67549925060521 2000 94.96061501126798 2001 94.74679987586526 2002 94.72446981452745 2003 94.59418372355469 2004 93.20986476545424 2005 93.72051646403978 2006 93.22054747654138 2007 93.94156151984863 2008 94.39030458761411 2009 94.60089842860295 2010 94.8906712902268 2011 95.24864501643685 2012 95.22720022997068 2013 95.76204700849223 2014 96.40120919771685 2015 96.19027947620803 2016 96.93768854624125 2017 97.46530557000571 2018 97.76507537011946 2019 95.81540706338438 2020 95.51639781222251 2021 95.25268847973538 2022 97.26588619941452 2023 95.60246723178005