Year % of public and publicly guaranteed debt service 1970 46.885412630898 1971 50.040256328748924 1972 48.729486834641285 1973 51.05195941165259 1974 52.910713021206014 1975 51.55853758744969 1976 51.92087310049956 1977 46.1440955107397 1978 39.73409610834403 1979 30.08783595087377 1980 25.142492029972054 1981 20.325349195973253 1982 21.057559164716242 1983 22.94134066996682 1984 20.699326476390482 1985 21.401818869094367 1986 24.143360986341428 1987 30.451931381301538 1988 38.67803544724162 1989 31.313328946936675 1990 22.095826395969585 1991 41.79760955806564 1992 50.45976928451924 1993 24.491746607877644 1994 26.923076585223825 1995 20.879711594773028 1996 21.899440699535848 1997 22.548850673585232 1998 22.172900193444704 1999 15.560107764861622 2000 23.98297675534621 2001 13.437561022539976 2002 33.79862074387958 2003 9.838928824916541 2004 41.37721318492923 2005 18.685498659051543 2006 8.203778385150535 2007 18.228096925872812 2008 1.4453035207065117 2009 7.190070258427472 2010 2.8808676584147235 2011 5.626317145739361 2012 2.2583465203354365 2013 1.4395379564776423 2014 2.356148618448158 2015 2.476294523761362 2016 7.159815512775003 2017 8.03056758834677 2018 4.018108484281362 2019 7.975674796160293 2020 2.2066011016352274 2021 9.08962259114136 2022 9.215959960128188