Year BoP, current US$ 1960 410000 1961 540000 1962 430000 1963 390000 1964 330000 1966 1300000 1967 1520000 1968 1120000 1969 850000 1970 5450000 1971 5770000 1972 4430000 1973 510000 1974 0 1975 1000000 1976 0 1977 32799999.999999996 1978 0 1979 20000 1980 0 1981 130000 1982 0 1983 0 1984 40000 1985 1030000 1986 30000.0000000002 1987 1440000 1988 0 1989 0 1990 30000.0000000002 1991 3770000 1992 120000 1993 0 1994 80000.0000000001 1995 170000 1996 9999.99999999979 1997 690000 1998 450000 1999 0 2000 170000 2001 280000 2002 360000 2003 450000 2004 950000