Year current US$ 1969 9999.99977648258 1971 9999.99977648258 1972 9999.99977648258 1973 9999.99977648258 1975 250000 1976 -9999.99977648258 1977 9999.99977648258 1979 9999.99977648258 1980 9999.99977648258 1981 2369999.8855590797 1982 939999.997615814 1983 1340000.0333786 1984 1500000 1985 2339999.91416931 1986 2430000.0667572 1987 9909999.84741211 1988 8380000.11444092 1989 6500000 1990 2109999.89509583 1991 39999.9991059303 1992 100000.00149011599 1993 -1059999.9427795399 1994 1139999.98569489 1995 -9999.99977648258 1997 90000.0035762787 1998 1730000.01907349 1999 3059999.94277954 2000 3210000.03814697 2001 349999.99403953605 2002 1379999.99523163 2003 1360000.01430511 2004 319999.99284744303 2005 5050000.19073486 2006 6579999.92370605 2007 9760000.22888184 2008 17270000.4577637 2009 21610000.6103516 2010 17479999.5422363 2011 37110000.6103516 2012 40529998.779296905 2013 26329999.9237061 2014 36029998.779296905 2015 14949999.8092651 2016 34319999.6948242 2017 37159999.8474121 2018 19139999.3896484 2019 60020000.4577637 2020 54560001.373291 2021 42490001.6784668 2022 36860000.6103516