Year	% of total external debt
1970	31.3263
1971	31.7744
1972	31.9841
1973	32.0696
1974	32.0613
1975	31.9584
1976	32.4881
1977	50.2846
1978	48.1142
1979	48.8505
1980	52.9217
1981	52.8152
1982	45.704
1983	37.8785
1984	25.4879
1985	25.3254
1986	4.5917
1987	11.8154
1988	15.1792
1989	7.071
1990	6.029
1991	6.6934
1992	13.9354
1993	12.4729
1994	10.101
1995	8.5703
1996	7.6435
1997	19.1438
1998	17.4567
1999	15.287
2000	16.5512
2001	16.7697
2002	16.18
2003	15.1019
2004	16.9319
2005	20.0217
2006	25.8561
2007	30.1658
2008	27.715
2009	22.081
2010	20.643
2011	18.0393
2012	18.495
2013	19.3911
2014	19.0091
2015	24.5794
2016	24.8818
2017	25.0962
2018	27.9234
2019	29.3386
2020	30.9733
2021	30.4197