Year	% of total external debt
1970	28.5459
1971	28.5811
1972	28.5547
1973	28.5666
1974	28.5571
1975	28.5638
1976	28.5605
1977	53.2034
1978	48.3744
1979	22.7541
1980	13.0753
1981	11.4446
1982	8.9816
1983	11.2539
1984	14.7389
1985	18.2949
1986	19.2781
1987	18.6183
1988	15.6539
1989	13.8176
1990	19.2213
1991	17.9209
1992	22.3857
1993	27.0141
1994	17.0719
1995	21.2805
1996	21.5132
1997	21.2393
1998	21.8836
1999	23.0605
2000	24.7535
2001	14.4714
2002	14.1767
2003	18.3946
2004	22.1817
2005	24.4383
2006	22.6842
2007	19.2761
2008	19.1447
2009	19.6258
2010	29.3697
2011	30.2014
2012	32.4402
2013	35.2834
2014	34.4556
2015	26.1364
2016	22.5662
2017	24.4604
2018	21.6436
2019	23.1149
2020	25.9298
2021	27.0236
2022	32.31