Year current US$ 1966 1600000.02384186 1967 589999.973773956 1968 850000.023841858 1969 1299999.95231628 1970 2319999.9332428 1971 4570000.17166138 1972 4699999.80926514 1973 4639999.8664856 1974 3589999.91416931 1975 4320000.17166138 1976 5789999.96185303 1977 4679999.82833862 1978 8880000.11444092 1979 6400000.09536743 1980 7110000.1335144 1981 10550000.1907349 1982 8560000.4196167 1983 16309999.465942401 1984 5699999.80926514 1985 6050000.19073486 1986 4510000.228881841 1987 4750000 1988 1830000.04291534 1989 990000.009536743 1990 2279999.97138977 1991 2319999.9332428 1992 1279999.97138977 1993 4980000.01907349 1994 2900000.09536743 1995 509999.99046325695 1996 5730000.01907349 1997 5840000.15258789 1998 17180000.3051758 1999 -589999.973773956 2000 1799999.95231628 2001 319999.99284744303 2002 4750000 2003 21270000.4577637 2004 30299999.237060502 2005 -629999.995231628 2006 -889999.985694885 2007 18700000.762939498 2008 9279999.73297119 2009 11750000 2010 15579999.923706101