Year	current US$
1965	64399974.240010306
1966	44799982.08000717
1967	64399974.240010306
1968	39199984.32000627
1969	53199978.720008515
1970	-5879997.648000941
1971	8424647.147695297
1972	27055865.80290562
1973	22928664.877331644
1974	125191454.23348378
1975	89990070.06123462
1976	246590990.7075212
1977	451553917.7711243
1978	250860743.20221922
1979	521410014.25645703
1980	388461581.1496243
1981	319242426.9598436
1982	448402457.70394325
1983	-65837098.63900068
1984	-27933338.287250645
1985	-201893247.9476514
1986	80421204.7695246
1987	134176406.62735993
1988	416766716.0044296
1989	362177010.61001635
1990	-74305555.55555557
1991	281423581.1854265
1992	494205862.30402184
1993	493377483.4437086
1994	707070707.0707071
2007	0
2008	0
2009	0