Year current US$ 1960 1879999999.9999993 1961 2080999999.999999 1962 2029999999.999999 1963 2051999999.999999 1964 2282999999.999999 1965 2487999999.9999986 1966 2392999999.9999986 1967 2380999999.9999986 1968 2350999999.9999986 1969 2695999999.9999986 1970 3296999999.999998 1971 3909999999.999997 1972 4135999999.999997 1973 5474999999.999996 1974 7704999999.999994 1975 11822999999.999992 1976 14453999999.99999 1977 18942999999.99999 1978 22116999999.999985 1979 20315999999.999985 1980 29014999999.999977 1981 32212999999.999977 1982 26570999999.99998 1983 22066999999.999985 1984 17964999999.99999 1985 18193999999.99999 1986 14943999999.99999 1987 15270999999.99999 1988 15882999999.999992 1989 15888999999.999992 1990 18198999999.999992 1991 20738999999.999992 1992 21274999999.999992 1993 20672999999.999992 1994 18609999999.999992 1995 23283999999.999992 1996 23011999999.999992 1997 25548999999.999992 1998 25624999999.999992 1999 25670999999.999992 2000 24829999999.999992 2001 29293999999.999992 2002 26259999999.999992 2003 32460999999.999992 2004 40897999999.99999 2005 53150999999.99999 2006 63739999999.999985 2007 83430999999.99998 2008 109675999999.99998 2009 88214999999.99998 2010 106454999999.99998 2011 134295999999.99998 2012 138560000000 2013 150303000000 2014 156135000000 2015 129107000000 2016 115291000000 2017 105705000000 2018 122774000000 2019 134330000000.00002 2020 110494000000.00002 2021 140536000000 2022 165574000000 2023 154560000000