Year	BoP, current US$
1960	510000
1961	910000
1962	430000
1963	30000
1964	130000
1965	680000
1966	1080000
1967	1670000
1968	730000
1969	920000
1970	2370000
1971	3090000
1972	3630000
1973	5170000
1974	5070000
1975	2029999.9999999998
1976	2540000
1977	3670000
1978	3100000
1979	5920000
1980	10400000
1981	7180000
1982	2450000
1983	1700000
1984	9380000
1985	28600000
1986	20610000
1987	14500000
1988	16030000.000000002
1989	340000
1990	520000
1991	2550000
1992	3220000
1993	0
1994	130000
1995	70000
1996	0
1997	0
1998	0
1999	0
2000	0
2001	690000
2002	10000
2003	10000
2004	0
