Year current US$ 1960 59999.9986588955 1961 1789999.96185303 1962 270000.010728836 1963 1759999.9904632599 1964 2519999.98092651 1965 1769999.98092651 1966 1509999.9904632599 1967 1809999.9427795399 1968 10550000.1907349 1969 6030000.20980835 1970 3250000 1971 4030000.2098083496 1972 6809999.94277954 1973 8920000.07629395 1974 12909999.8474121 1975 23200000.762939498 1976 24510000.2288818 1977 19329999.9237061 1978 12670000.076293899 1979 18229999.5422363 1980 37009998.3215332 1981 40720001.220703095 1982 39020000.4577637 1983 19629999.1607666 1984 19270000.4577637 1985 10460000.038146999 1986 10699999.8092651 1987 9390000.34332275 1988 14920000.076293899 1989 35250000 1990 40700000.762939505 1991 35520000.4577637 1992 43000000 1993 40759998.3215332 1994 34000000 1995 14640000.3433228 1996 21510000.2288818 1997 23879999.1607666 1998 18489999.7711182 1999 19459999.084472697 2000 23309999.4659424 2001 24959999.084472697 2002 23479999.5422363 2003 40060001.373291 2004 35689998.626709 2005 57290000.9155273 2006 88540000.9155273 2007 78620002.746582 2008 139259994.506836 2009 108000000 2010 127129997.253418 2011 155679992.67578098 2012 170889999.38964802 2013 152149993.89648402 2014 187979995.727539 2015 173199996.94824198 2016 158630004.882813 2017 260829986.572266 2018 266709991.455078 2019 165440002.44140598 2020 165869995.117188 2021 361929992.675781 2022 137130004.882813