Year	% of total external debt
1971	22.74307825054806
1972	25.473830356367166
1973	24.64940554633902
1974	18.64889323089234
1975	11.844004908511524
1976	11.984705998829554
1977	10.872826252345046
1978	8.800103365916488
1979	10.44374319697703
1980	8.559349255844461
1981	6.363262512515657
1982	4.789119667796309
1983	4.9395217913762695
1984	3.833856652751293
1985	3.370085677787862
1986	3.9432497918690728
1987	4.197049145587369
1988	4.4419403970064675
1989	3.6682626604866218
1990	4.054263389790366
1991	4.967973548674787
1992	5.452540071531796
1993	5.797403593680505
1994	6.942084802520795
1995	6.816634670750493
1996	7.417792807367129
1997	7.9045233225595934
1998	7.436134383846146
1999	8.362696388291392
2000	10.465157134611138
2001	11.660968998658031
2002	13.060828469910383
2003	14.323343796497435
2004	17.293561677066933
2005	19.39633713628114
2006	31.056318196390038
2007	37.13846085852966
2008	42.10804337872362
2009	43.21016400623947
2010	47.08092653976991
2011	47.517499986387726
2012	50.23641837287749
2013	46.997471528046
2014	41.55964444639127
2015	37.97976323566849
2016	36.0969028081108
2017	33.72608053456487
2018	33.6457319527636
2019	33.91434062271352
2020	35.513101556134224