Year	BoP, current US$
1977	2755620.57840928
1978	3691461.85317925
1979	2590239.47426986
1980	4354420.37065158
1981	7967425.11652759
1982	4972516.4587686
1983	3104448.80457293
1984	2727959.29969473
1985	6655344.97202556
1986	2838530.87663381
1987	2771709.3499167
1989	652020.65380085
1990	760289.281457412
1991	5483736.66753543
1992	6422563.88440956
1993	4456803.58692989