Year current US$ 1961 1000000 1962 2000000 1963 1000000 1964 1000000 1965 1120000.00476837 1966 790000.021457672 1967 1080000.04291534 1968 779999.971389771 1969 1000000 1971 1000000 1972 1000000 1974 3000000 1975 2000000 1976 6000000 1977 8000000 1978 3000000 1979 3000000 1980 1000000 1981 2000000 1982 2000000 1983 2000000 1984 3000000 1985 3000000 1986 3000000 1987 3000000 1988 4000000 1989 3000000 1990 5000000 1991 3000000 1992 16000000 1993 11000000 1994 16000000 1995 11000000 1996 7000000 1997 22000000 1998 9529999.73297119 1999 19579999.9237061 2000 29719999.3133545 2001 27430000.3051758 2002 23379999.1607666 2003 32470001.220703095 2004 27940000.5340576 2005 24409999.8474121 2006 20270000.4577637 2007 25329999.9237061 2008 34560001.373291 2009 58900001.5258789 2010 100260002.13623 2011 188529998.779297 2012 41659999.8474121 2013 23620000.8392334 2014 39169998.1689453 2015 35619998.9318848 2016 58139999.3896484 2017 120440002.441406 2018 57110000.6103516 2019 99919998.1689453 2020 97379997.253418 2021 171229995.727539 2022 116160003.662109