Year current US$ 1961 68992011.03872177 1962 75600012.09600194 1963 85904013.7446422 1964 100016016.00256255 1965 117600018.81600301 1966 139888022.38208356 1967 154112024.65792394 1968 162736026.03776416 1969 176064028.17024451 1970 194208031.07328498 1971 221011874.148974 1972 260586631.2830898 1973 353777939.3677728 1974 429330841.46492004 1975 455168459.4570182 1976 457488392.5091479 1977 426707589.51135194 1978 498360193.2503438 1979 521807161.71389955 1980 612866013.0621539 1981 675218844.3118311 1982 633888589.4661579 1983 596905564.3392422 1984 593510447.9206545 1985 569021227.334617 1986 608494627.4194113 1987 704593792.9218999 1988 764543805.2806461 1989 867375875.7890397 1990 799541877.8299013 1991 895693277.3109244 1992 1041364296.0812773 1993 1225776778.4137366 1994 1023934626.8656718 1995 791872099.9850322 1996 1026310318.6646434 1997 951347604.7695419 1998 684368231.9234692 1999 589335643.9543127 2000 583418836.8055556 2001 500264528.9393356 2002 460043517.4224098 2003 539514196.4712834 2004 601417419.3748642