Year	% of total external debt
1971	59.27253274752546
1972	81.4012226911947
1973	57.53362120140546
1974	85.62143086966992
1975	94.2248151595326
1976	51.79930993123991
1977	41.8101990595426
1978	36.49200566968345
1979	26.42256349864159
1980	27.5007809436188
1981	18.655579890142334
1982	16.548072140594265
1983	15.3320867306332
1984	16.244657705463418
1985	16.73217357015299
1986	21.288357283420467
1987	26.41007847644595
1988	30.854725895795326
1989	35.246983070807964
1990	38.99561415810521
1991	41.73534213656427
1992	46.43864787780338
1993	42.60798504521434
1994	40.22344966722385
1995	39.12657778046786
1996	46.63241300163243
1997	41.20585817920619
1998	42.165336594955676
1999	44.79559583285279
2000	48.429869806628666
2001	43.901514017143356
2002	40.15374938294771
2003	37.980652784019924
2004	39.85679699925805
2005	34.929376222074715
2006	38.16815864288284
2007	44.058755767947964
2008	35.59391940424309
2009	40.49084770461577
2010	37.97286722056023
2011	31.992590101240626
2012	36.45000894322691
2013	35.90187519596116
2014	36.742255937239065
2015	38.447312632070236
2016	38.42747764795203
2017	42.02137225996995
2018	41.14350568211915
2019	42.979615892883345
2020	42.70162252167233
2021	43.29455083344068
2022	40.137124622129306
