Year	BoP, current US$
1964	250000
1967	50000
1968	10000
1969	20000
1970	10000
1971	20000
1972	250000
1973	250000
1974	590000
1975	550000
1976	1040000
1977	1130000
1978	1690000
1979	2510000
1980	4010000
1981	4190000.0000000005
1982	4190000.0000000005
1983	4030000.0000000005
1984	3130000
1985	3320000
1986	4720000
1987	4650000
1988	4850000
1989	4250000
1990	3650000
1991	3530000
1992	4280000
1993	3180000
1994	5510000
1995	6340000
1996	6700000
1997	1050000
1998	3010000
1999	3330000
2000	3030000
2001	2089999.9999999998
2002	3470000
2003	4510000
2004	4410000