Year current US$ 1962 39999.9991059303 1963 29999.999329447703 1964 19999.9995529652 1965 19999.9995529652 1966 59999.9986588955 1967 29999.999329447703 1968 109999.999403954 1969 39999.9991059303 1970 50000.0007450581 1971 230000.004172325 1972 90000.0035762787 1973 119999.997317791 1974 569999.992847443 1975 4250000 1976 4360000.1335144 1977 1429999.94754791 1978 7119999.88555908 1979 28100000.3814697 1980 4579999.92370605 1981 1929999.94754791 1982 3410000.08583069 1983 2579999.92370605 1984 1980000.01907349 1985 1919999.95708466 1986 2920000.07629395 1987 46060001.373291 1988 16120000.839233398 1989 24370000.8392334 1990 15050000.1907349 1991 7119999.88555908 1992 26209999.084472697 1993 23620000.8392334 1994 33049999.2370605 1995 36950000.762939505 1996 47500000 1997 25579999.9237061 1998 49409999.8474121 1999 25329999.9237061 2000 20129999.1607666 2001 16540000.9155273 2002 28290000.915527303 2003 7320000.17166138 2004 -2680000.0667572 2005 6170000.07629395 2006 4539999.96185303 2007 2970000.02861023 2008 -5730000.01907349 2009 -11760000.2288818 2010 -5230000.01907349 2011 -10060000.4196167 2012 -9369999.88555908 2013 -9340000.15258789 2014 -7809999.94277954 2015 3359999.89509583 2016 10039999.961853001 2017 2910000.08583069 2018 370000.00476837205 2019 14260000.2288818 2020 1440000.0572204601 2021 12069999.6948242 2022 41180000.3051758