Year current US$ 1965 39999.9991059303 1966 19999.9995529652 1967 59999.9986588955 1969 449999.988079071 1970 4280000.20980835 1971 1379999.99523163 1972 50000.0007450581 1973 4139999.8664856004 1974 949999.988079071 1975 4800000.19073486 1976 5159999.84741211 1977 5880000.11444092 1978 7150000.09536743 1979 10390000.3433228 1980 3500000 1981 11260000.2288818 1982 5710000.03814697 1983 1029999.97138977 1984 4590000.15258789 1985 1669999.95708466 1986 109999.999403954 1987 38110000.6103516 1988 3660000.08583069 1989 2430000.0667572 1990 19649999.6185303 1991 20729999.5422363 1992 22969999.3133545 1993 26159999.8474121 1994 25129999.1607666 1995 27200000.762939498 1996 32709999.084472697 1997 30680000.3051758 1998 32080001.831054702 1999 40349998.4741211 2000 42430000.3051758 2001 25170000.0762939 2002 16069999.6948242 2003 41150001.5258789 2004 22129999.1607666 2005 7940000.05722046 2006 29399999.6185303 2007 30329999.9237061 2008 47419998.1689453 2009 16489999.7711182 2010 18450000.762939498 2011 12000000 2012 13829999.923706101 2013 3839999.91416931 2014 3029999.97138977 2015 -2680000.0667572 2016 1789999.96185303 2017 -10310000.4196167 2018 -4769999.98092651 2019 -4829999.92370605 2020 -3930000.0667572 2021 -3490000.00953674 2022 -2849999.90463257