Year current US$ 1970 1569999.981671568 1971 2699999.958276748 1972 1349999.9828636642 1973 5359999.865293504 1974 2479999.996721749 1975 -479999.989271164 1976 -410000.01132488303 1977 -180000.0015646216 1978 749999.970197678 1979 299999.997019767 1980 12409999.668598156 1981 289999.99165535 1982 850000.0089406961 1983 -60000.00052154082 1984 350000.0052154059 1985 330000.01311302214 1986 2800000.101327897 1987 -1040000.0251829628 1988 2149999.9426305247 1989 4680000.096559527 1990 24250000.357627872 1991 48980000.613257214 1992 273199995.88839686 1993 41770000.254735336 1994 70259999.98673797 1995 72990001.2593716 1996 60980000.64864759 1997 65220000.53524969 1998 51840000.51766631 1999 42629999.66740607 2000 45610000.09439884 2001 47389999.78080395 2002 40300000.00074503 2003 35470000.226050615 2004 37979999.85143546 2005 20879999.697208364 2006 22930000.17851592 2007 27399999.275803577 2008 35170000.16383827 2009 35869999.915361375 2010 40159999.51772396 2011 49199998.63207342 2012 41770000.50991782 2013 50880000.710487396 2014 51260000.072419696 2015 37579999.491572425 2016 46239999.34643511 2017 47069999.62031834 2018 48309999.57025051 2019 54510000.60886149 2020 68430000.34242871 2021 78629999.16076663 2022 52109999.89509584