Year current US$ 1960 2000000 1961 0 1962 2500000 1963 300000.011920929 1964 299999.98211860703 1965 2000000 1966 32900000.333785996 1967 28500000.7152557 1968 32700000.941753402 1969 35099999.5470047 1970 40299998.8496304 1971 60100000.2622604 1972 95169998.7649918 1973 124740000.91850801 1974 106240000.30756 1975 133930002.450943 1976 122999999.023974 1977 155280000.12040102 1978 205259995.341301 1979 295419997.41643703 1980 372519990.473986 1981 307739992.86443 1982 350430000.383407 1983 383449998.172 1984 329429995.868355 1985 343430012.85940397 1986 492280001.752079 1987 619909975.655377 1988 625360002.67975 1989 598930019.665509 1990 615559995.282441 1991 711939993.290231 1992 797649977.205321 1993 1103480013.07249 1994 1128550002.69227 1995 1293060005.55493 1996 1251149983.3073502 1997 1010590010.65418 1998 1061499981.0271 1999 964889992.57423 2000 1031610004.1214399 2001 947069987.662137 2002 1007730006.29991 2003 1297120019.9555602 2004 1452329976.7114198 2005 35310000.0377744 2006 29320000.0915676 2007 29850000.357255302 2008 20810000.596568 2009 19320000.262931 2010 26919999.5975941 2011 12670000.3929436 2012 14659999.9293685 2013 13759999.7613579 2014 12979999.6260554 2015 9110000.01616776 2016 -1610000.0049918902 2017 9419999.83228743 2018 1079999.99262393 2019 40999998.7818301 2020 -7699999.82044101 2021 -7920000.31471252 2022 -15109999.924898194