Year current US$ 1970 10239999.7711182 1971 10069999.6948242 1972 9500000 1973 -2269999.98092651 1974 -4769999.98092651 1975 -2099999.90463257 1976 -3089999.91416931 1977 2180000.0667572 1978 -810000.002384186 1979 -4849999.90463257 1980 18690000.5340576 1981 46169998.1689453 1982 24420000.0762939 1983 4230000.01907349 1984 -3430000.0667572 1985 7360000.1335144 1986 -1049999.95231628 1987 -3150000.09536743 1988 -12250000 1989 -7400000.09536743 1990 113099997.52044703 1991 33540000.602602996 1992 78869999.73654741 1993 76130000.67323449 1994 110010000.00536446 1995 116790001.89900398 1996 131199997.90936708 1997 140840001.82151788 1998 120930001.42276281 1999 130919998.01993369 2000 135300002.91764727 2001 123540001.59353018 2002 574619989.1418219 2003 118739998.91430147 2004 112750000.44703482 2005 146309999.5963275 2006 236630005.46395773 2007 86800000.34347172 2008 92950000.31590472 2009 76229999.36342244 2010 73510000.62748794 2011 67429999.64207414 2012 89049998.81982799 2013 76440000.5340576 2014 105349998.652935 2015 126029998.12364578 2016 204969993.01016295 2017 232570002.49624282 2018 177609997.3320961 2019 180730000.85353842 2020 159030004.9185753 2021 164720000.50544742 2022 495739994.83883333