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 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 59999.9986588955 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 79999.9982118607 2010 0 2011 0 2012 0 2013 400000.00596046395 2014 0 2015 39999.9991059303 2016 0 2017 0 2018 570000.004023314 2019 210000.00089407 2020 119999.99918043599 2021 9999.99977648258 2022 19999.9995529652