Year constant 2010 US$ 1960 1049049282.54909 1961 1020551229.71547 1962 1006376786.76359 1963 1263062241.09662 1964 1532904278.38696 1965 1598690628.42963 1966 1500257609.66526 1967 1734890917.25979 1968 2094437051.46181 1969 1865163767.62875 1970 2016347512.90136 1971 2256615387.36801 1972 2073490246.39609 1973 2376223581.05223 1974 2743631266.9359 1975 2618703909.83503 1976 3619635260.84741 1977 3990693429.14119 1978 4342341141.33474 1979 3941399829.1972 1980 3468572368.31271 1981 3858849962.59328 1982 3285083004.84147 1983 2529032863.92812 1984 2490141539.6452 1985 2163297870.406 1986 2209101506.15091 1987 2743149029.51897 1988 2896738584.95359 1989 2997869581.34822 1990 2815536640.31506 1991 3221368647.67893 1992 4038152858.34785 1993 4133662943.54696 1994 4111456914.40277 1995 4260687492.51868 1996 3907813713.93639 1997 4743680729.81511 1998 5969934692.07218 1999 6092218950.29312 2000 5922635140.96671 2001 6165244558.56737 2002 6694483790.18259 2003 6637367642.58324 2004 6881142316.13777 2005 6789326262.15492 2006 7538167358.02116 2007 8126205116.59286 2008 6538795997.36438 2009 5367479718.22306 2010 5761569678.69243 2011 6696285080.61111 2012 6828846707.72621 2013 6760675244.40639 2014 7112912071.02326 2015 7758079440.83795 2016 8002803973.38499 2017 7929636644.79203 2018 8330645509.85475