Year	% of total external debt
1970	0
1971	0
1972	0
1973	0
1974	0.039
1975	0.1457
1976	0.4419
1977	4.4607
1978	6.2381
1979	6.8304
1980	8.6288
1981	3.5931
1982	4.6619
1983	5.3149
1984	7.2245
1985	4.6317
1986	5.1444
1987	4.8119
1988	7.246
1989	9.5869
1990	12.6016
1991	14.6514
1992	16.7816
1993	18.6696
1994	20.465
1995	21.317
1996	22.0534
1997	22.5095
1998	23.1239
1999	23.232
2000	23.5361
2001	24.9956
2002	25.7141
2003	26.5166
2004	26.1183
2005	26.3796
2006	26.9727
2007	27.4876
2008	27.6827
2009	27.5371
2010	27.6534
2011	27.8359
2012	28.116
2013	28.4219
2014	28.5123
2015	28.6149
2016	28.7232
2017	28.9776
2018	58.6293
2019	59.1567
2020	33.8761
2021	28.9615
2022	28.2951