Year % of total external debt 1971 19.76903359977052 1972 23.24129417988907 1973 23.406509049583338 1974 17.729612975096632 1975 12.816232850385944 1976 12.517572679565976 1977 12.11459815957079 1978 10.597675263620221 1979 12.466766546304784 1980 9.002891590838761 1981 6.959126865908538 1982 5.784306234370217 1983 5.656279409276264 1984 5.258037599836919 1985 4.657966310453026 1986 4.9912453895791655 1987 4.371002446270243 1988 4.453406417720706 1989 3.912222673588085 1990 4.185253592390821 1991 5.462961759181782 1992 6.04291635738108 1993 6.589763021268746 1994 7.793457690948632 1995 8.305367593368528 1996 8.951247004159834 1997 9.65910937739851 1998 9.242710614191102 1999 10.06435465797699 2000 11.021208808813679 2001 12.698184549852003 2002 14.460070468232633 2003 16.150638507432284 2004 18.91029853252099 2005 20.737746877775034 2006 28.430333780548075 2007 32.46159059693162 2008 40.77652661281288 2009 45.570724734435146 2010 48.6893669401025 2011 37.16359456458956 2012 36.514537220996814 2013 34.956182402082575 2014 32.99426969481536 2015 31.123311758043183 2016 29.97411403586412 2017 30.908179343436913 2018 30.592526494982437 2019 31.348966092311386 2020 33.51782606887019