Year	BoP, current US$
1977	3936019.34907205
1978	3656009.63850286
1979	8560482.90861237
1980	3682325.05257275
1981	1068358.54011477
1982	951048.972409467
1983	3338004.12461265
1984	6285159.05205928
1985	7294169.05462467
1986	12370493.8274259
1987	13056855.7632065
1988	15460288.2926118
1989	10761183.6458286
1990	23800360.1151885
1991	11226240.4822784
1992	14873902.3605414
1993	15690632.5964576
1994	12384621.4806945