Year current US$ 1960 0 1961 0 1962 0 1963 0 1964 0 1965 0 1966 0 1967 0 1968 0 1969 0 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 1360000.01430511 1988 2029999.97138977 1989 5050000.19073486 1990 12159999.8474121 1991 30729999.5422363 1992 44709999.0844727 1993 59770000.4577637 1994 60040000.9155273 1995 72239997.8637695 1996 123470001.22070299 1997 111549995.422363 1998 125440002.441406 1999 133380004.882813 2000 125889999.38964799 2001 150080001.831055 2002 189449996.94824198 2003 243520004.272461 2004 333099975.58593804 2005 460869995.11718804 2006 374589996.33789104 2007 486639984.13085896 2008 539839965.820313 2009 583159973.144531 2010 900489990.234375 2011 988659973.144531 2012 1182810058.59375 2013 1309440063.47656 2014 1396049926.75781 2015 1468260009.76563 2016 1548479980.46875 2017 1614939941.40625 2018 1800049926.75781 2019 1910010009.76563 2020 1790869995.11719 2021 2292300048.82813 2022 1888119993.463159