Year	% of total external debt
1971	17.42394610648095
1972	17.423083026801205
1973	20.26588667370686
1974	17.130400985247057
1975	12.0445684769102
1976	10.874479416016081
1977	10.466673409250367
1978	8.414170657570278
1979	9.962840962690143
1980	7.84488479069829
1981	6.010857409968422
1982	5.065346281046764
1983	4.521753245156502
1984	4.054994256103607
1985	3.9111772415235913
1986	4.185429717137456
1987	3.217569690270617
1988	3.299997286435602
1989	3.157646529221499
1990	2.8085644860112033
1991	3.270396081366707
1992	3.3846157179149556
1993	3.186934396337768
1994	3.931353407743402
1995	4.797810190195532
1996	5.923545085121813
1997	6.439907874064952
1998	5.843517599628777
1999	6.957199489195707
2000	7.438852650359996
2001	8.187693221593257
2002	9.401557731560358
2003	9.920034441910783
2004	12.725896531815566
2005	15.076544535999181
2006	25.337858752967463
2007	31.522895861341894
2008	35.306085969413395
2009	39.51632669972765
2010	43.96891084862774
2011	45.01405597755275
2012	43.094504751323136
2013	36.499296864284936
2014	33.69165994958357
2015	27.851242971998808
2016	22.837018557612566
2017	23.783066868504584
2018	23.501694406318062