Year	BoP, current US$
1977	3362101.32609464
1978	2534833.34936198
1979	8010468.35599972
1980	1789098.80446337
1981	4666143.71803702
1982	12235488.1293103
1983	13792884.9677391
1984	12391613.4407294
1985	14030270.7695302
1986	15164557.5744681
1987	21932897.6991799
1988	21165274.1794107
1989	21407072.3242818
1990	22358751.327478
1991	18950262.5886518
1992	22161623.3799685
1993	23202218.3566794
1994	22694332.5562465