Year	% of total external debt
1971	22.118247322031365
1972	23.8742906651308
1973	28.56368784734125
1974	20.405986376297964
1975	12.650700893573172
1976	11.92534872498748
1977	11.274434902312786
1978	9.21317428510678
1979	9.567633210344061
1980	7.524863648253253
1981	5.995812823947658
1982	3.980231730304588
1983	3.754111522431745
1984	3.2497226818374734
1985	3.0097759716944705
1986	3.8019690857566566
1987	3.2951979934505746
1988	3.3448364265694077
1989	2.9231898674594383
1990	3.076019923059152
1991	3.424987104632126
1992	2.8649882935281954
1993	2.7077715967923943
1994	3.3912704560201905
1995	4.853378136443004
1996	5.92209365121801
1997	6.618336111177857
1998	5.802414656347889
1999	7.341324885958831
2000	9.552506346687439
2001	11.740130908171086
2002	13.557642179215756
2003	13.861138778502129
2004	17.66803141279799
2005	19.054430623056078
2006	26.84187715074679
2007	29.23244826791557
2008	54.33719672431974
2009	54.570508998817026
2010	60.36673462816816
2011	34.24283197694847
2012	33.30936331842977
2013	27.494281823075305
2014	25.369301463891112
2015	19.45048785139312
2016	16.641011642649687
2017	18.068583860038395
2018	22.139515950046587