Year	current US$
1960	30912004.94592079
1961	32144005.14304082
1962	34496005.519360885
1963	44352007.096321136
1964	58352009.336321495
1965	74368011.89888191
1966	87584014.01344225
1967	96880015.50080247
1968	105392016.8627227
1969	160160025.6256041
1970	268576042.9721669
1971	306879008.743053
1972	239030751.8570989
1973	201103798.53262398
1974	255646177.65184465
1975	271896718.5194785
1976	281909720.77693564
1977	354431595.3338859
1978	440667207.391473
1979	538526631.9825447
1980	641780411.5383354
1981	680716885.0775744
1982	761722399.919833
1983	754293986.935296
1984	689108699.329588
1985	480549207.5488297
1986	522640192.54406464
1987	644675233.6989026
1988	994748879.2495961
1989	823593934.3057789
1990	786982192.1622069
1991	1037920168.0672269
1992	1020215633.4231806
1993	877248569.0923957
1994	1175756318.4079604
1995	1017113231.5521628
1996	1172602124.430956
1997	1039531692.3506032
1998	678563638.1294615
1999	569133320.204805
2000	770892288.7731481
2001	707153187.3277421
2002	635655875.2380462
2003	704505191.771956
2004	785482881.7084149