Year current US$ 1961 15100000.3814697 1962 15800000.1907349 1963 28700000.762939498 1964 20000000 1965 20000000 1966 14399999.6185303 1967 8899999.61853027 1968 11699999.8092651 1969 20299999.237060502 1970 23799999.237060502 1971 21399999.6185303 1972 29260000.2288818 1973 40819999.6948242 1974 37860000.6103516 1975 40099998.4741211 1976 52470001.220703095 1977 52099998.4741211 1978 63669998.1689453 1979 59279998.779296905 1980 79300003.0517578 1981 50169998.1689453 1982 51970001.220703095 1983 37340000.1525879 1984 50919998.1689453 1985 49509998.3215332 1986 57630001.0681152 1987 56400001.5258789 1988 43000000 1989 54630001.0681152 1990 76150001.5258789 1991 79040000.9155273 1992 103099998.47412099 1993 74589996.3378906 1994 76669998.1689453 1995 86290000.9155273 1996 58750000 1997 60299999.237060495 1998 90370002.746582 1999 103550003.05175799 2000 92870002.746582 2001 87550003.0517578 2002 96610000.6103516 2003 107550003.05175799 2004 141380004.882813 2005 181839996.33789098 2006 176300003.05175802 2007 127940002.441406 2008 160460006.71386698 2009 169979995.727539 2010 126800003.05175799 2011 304359985.35156304 2012 242479995.727539 2013 66900001.525878906 2014 66379997.253418 2015 21860000.6103516 2016 68050003.0517578 2017 62119998.9318848 2018 9529999.73297119 2019 118819999.69482401 2020 124910003.662109 2021 145699996.94824198 2022 48619998.9318848