Year current US$ 1969 5090000.15258789 1970 4150000.09536743 1971 10810000.4196167 1972 19319999.6948242 1973 5880000.11444092 1974 49430000.3051758 1975 99540000.9155273 1976 12180000.3051758 1977 35869998.9318848 1978 27729999.5422363 1979 34740001.6784668 1980 85480003.3569336 1981 152830001.831055 1982 91839996.3378906 1983 80169998.1689453 1984 91589996.3378906 1985 72129997.253418 1986 58659999.8474121 1987 105040000.915527 1988 153330001.831055 1989 111669998.168945 1990 58400001.5258789 1991 37520000.4577637 1992 77660003.6621094 1993 33549999.2370605 1994 56819999.6948242 1995 65430000.305175796 1996 104660003.662109 1997 92769996.6430664 1998 50090000.1525879 1999 77900001.5258789 2000 59669998.1689453 2001 83769996.6430664 2002 97300003.0517578 2003 61229999.5422363 2004 140399993.89648402 2005 187800003.05175802 2006 209740005.493164 2007 89620002.746582 2008 122309997.558594 2009 98910003.6621094 2010 94260002.1362305 2011 84839996.3378906 2012 92580001.8310547 2013 135020004.272461 2014 40209999.0844727 2015 264700012.207031 2016 300839996.33789104 2017 462369995.11718804 2018 397209991.455078 2019 186399993.89648402 2020 190550003.05175802 2021 120500000 2022 383489990.234375