Year current US$ 1963 4110000.1335143996 1964 1710000.03814697 1965 219999.998807907 1966 4079999.92370605 1967 2619999.8855590797 1969 1220000.02861023 1970 3789999.96185303 1971 5090000.15258789 1972 7000000 1973 8399999.61853027 1974 10649999.6185303 1975 509999.99046325695 1978 660000.026226044 1979 50000.0007450581 1980 639999.985694885 1981 4989999.771118159 1982 1740000.0095367401 1983 2380000.1144409203 1984 2900000.09536743 1985 6980000.01907349 1986 3210000.03814697 1987 7500000 1988 5369999.88555908 1989 21149999.6185303 1990 10000000 1991 12319999.6948242 1992 9619999.88555908 1993 46029998.779296905 1994 37139999.3896484 1995 18340000.1525879 1996 22040000.915527303 1997 34009998.3215332 1998 244820007.32421902 1999 11399999.6185303 2000 52540000.9155273 2001 97769996.6430664 2002 50299999.237060495 2003 55180000.3051758 2004 71910003.6621094 2005 56950000.762939505 2006 -13770000.4577637 2007 85709999.0844727 2008 88110000.6103516 2009 82750000 2010 51750000 2011 68550003.0517578 2012 45099998.4741211 2013 51599998.4741211 2014 39799999.237060495 2015 30170000.0762939 2016 56520000.4577637 2017 66269996.643066406 2018 50470001.220703095 2019 52000000 2020 85459999.0844727 2021 36880001.0681152 2022 30040000.915527303