Year current US$ 1961 9999.99977648258 1962 140000.000596046 1963 2789999.96185303 1964 9140000.34332275 1965 4170000.07629395 1966 6179999.82833862 1967 3700000.04768372 1968 3369999.8855590797 1969 3069999.9332428 1970 3930000.0667572 1971 5969999.79019165 1972 6199999.80926514 1973 8970000.26702881 1974 12850000.3814697 1975 28579999.9237061 1976 20350000.3814697 1977 29569999.6948242 1978 55389999.3896484 1979 79910003.6621094 1980 74500000 1981 54810001.373291 1982 58770000.4577637 1983 36290000.9155273 1984 49860000.6103516 1985 32889999.3896484 1986 44990001.6784668 1987 60220001.220703095 1988 68069999.6948242 1989 51830001.8310547 1990 61349998.4741211 1991 74760002.1362305 1992 68510002.1362305 1993 72029998.7792969 1994 64379997.253418 1995 67180000.3051758 1996 58740001.6784668 1997 59270000.4577637 1998 109900001.52587901 1999 66599998.474121094 2000 34750000 2001 48189998.626709 2002 23219999.3133545 2003 98529998.7792969 2004 56400001.5258789 2005 49880001.0681152 2006 49340000.1525879 2007 65000000 2008 87430000.3051758 2009 87129997.253418 2010 134479995.727539 2011 93510002.1362305 2012 109730003.35693401 2013 75080001.8310547 2014 52119998.9318848 2015 93150001.5258789 2016 51680000.3051758 2017 44159999.8474121 2018 39979999.5422363 2019 35020000.4577637 2020 51540000.9155273 2021 62389999.3896484 2022 35240001.6784668