Year	BoP, current US$
1977	174129170.3757
1978	205618413.596235
1979	246232583.34443
1980	327433479.610518
1981	236649086.428779
1982	256105899.716675
1983	241183919.088659
1984	226436641.769879
1985	275793934.252125
1986	342645039.492745
1987	352090271.99374
1988	330121161.676737
1989	330442813.460398
1990	410141174.843018
1991	315313086.005567
1992	341725734.395655
1993	290031260.998577
1994	244414359.355766