Year	% of total external debt
1971	79.2679018142268
1972	77.73300847284979
1973	110.8513343195978
1974	298.1837981298753
1975	435.3065754712809
1976	192.65376513929877
1977	88.98915418332605
1978	51.763437134399105
1979	54.716864761067676
1980	45.46839705016301
1981	39.56209485075865
1982	36.71203690035526
1983	31.353097969557357
1984	33.69700953349571
1985	39.60532215497763
1986	31.782960489745893
1987	33.28943152457905
1988	22.43059920392029
1989	26.873736167459512
1990	38.38296892957938
1991	43.133844790079465
1992	35.35436268839163
1993	36.47465287104371
1994	33.725780786419755
1995	29.977432313873635
1996	44.79363247721118
1997	39.97095894619091
1998	29.771225963920823
1999	30.840625154158346
2000	32.14596355587929
2001	26.283624270134382
2002	27.07666732132099
2003	44.543722982646514
2004	50.52324115036308
2005	59.031826358057415
2006	74.315687890774
2007	51.81757994375237
2008	58.87033847864672
2009	36.37177868018263
2010	25.45759735933965
2011	20.646561633262365
2012	19.467993245506086
2013	13.17509862049509
2014	13.333749891405835
2015	9.344951401808764
2016	5.773775717641419
2017	5.5614445927027525