Year current US$ 1970 1039999.9599903851 1971 1349999.9679625025 1972 490000.00581145234 1973 2329999.9590963097 1974 3600000.049918889 1975 2310000.03218651 1976 1940000.001341105 1977 29339999.83407556 1978 5720000.041648744 1979 10670000.070706006 1980 9289999.756962057 1981 19350000.43548644 1982 9459999.881684776 1983 6110000.057145954 1984 9839999.92907047 1985 11139999.83295798 1986 7640000.06206334 1987 23200000.19110739 1988 20850000.178441405 1989 26569999.929517504 1990 43649999.60362911 1991 45099999.93070961 1992 61049999.76418916 1993 54159999.663010255 1994 59509999.113157354 1995 59609999.74422157 1996 63199999.995529644 1997 47000000.10617073 1998 54929999.41296877 1999 45049999.848008156 2000 62000000.50663948 2001 195860004.3151524 2002 128660001.01156536 2003 62630000.2448261 2004 123319999.66315925 2005 924369981.8365273 2006 730709993.863478 2007 872210007.2354081 2008 773760007.3572251 2009 98589997.86525977 2010 184249998.75388995 2011 77909999.1377443 2012 141009997.74225056 2013 52480000.56855382 2014 40450000.25816257 2015 30990000.084042538 2016 36389999.44739045 2017 60329999.94978308 2018 46459999.9282509 2019 47899999.98547132 2020 42239999.39113853 2021 63380000.114440955 2022 47800000.209361345