Year current US$ 1963 9999.99977648258 1968 19999.9995529652 1969 9999.99977648258 1971 9999.99977648258 1972 9999.99977648258 1973 19999.9995529652 1974 50000.0007450581 1975 100000.00149011599 1976 1019999.98092651 1977 2279999.97138977 1978 4940000.05722046 1979 4090000.1525878897 1980 7170000.07629395 1981 7510000.228881841 1982 6449999.80926514 1983 17090000.1525879 1984 13720000.2670288 1985 18899999.6185303 1986 36189998.626709 1987 34979999.5422363 1988 48099998.4741211 1989 39990001.6784668 1990 85099998.4741211 1991 28170000.0762939 1992 45709999.0844727 1993 40889999.3896484 1994 45610000.6103516 1995 74790000.9155273 1996 63750000 1997 42029998.779296905 1998 27010000.2288818 1999 66309997.55859381 2000 50139999.3896484 2001 76309997.55859381 2002 94849998.4741211 2003 31989999.7711182 2004 31340000.1525879 2005 103470001.22070299 2006 138009994.506836 2007 20760000.2288818 2008 40860000.6103516 2009 41720001.220703095 2010 16040000.9155273 2011 10989999.7711182 2012 22319999.6948242 2013 14020000.4577637 2014 15420000.076293899 2015 14399999.6185303 2016 12750000 2017 9479999.54223633 2018 16420000.076293899 2019 24239999.7711182 2020 15420000.076293899 2021 16010000.2288818 2022 100239997.86377