Year constant 2010 US$ 1960 1586360115.3713 1961 1861336224.25561 1962 1399113558.026 1963 1129162624.77142 1964 1111631317.57945 1965 1158021978.65573 1966 1332319837.09847 1967 1553057476.67284 1968 1588178055.53953 1969 1620924631.96193 1970 1637187461.78097 1971 1761485917.74835 1972 1908925957.21449 1973 2073166810.39823 1974 2254961080.7018 1975 2517310167.83878 1976 2271816534.02879 1977 1932934240.60552 1978 1837969563.3622 1979 1817771782.18361 1980 2401738407.70426 1981 3572469797.13101 1982 4954337394.85408 1983 4301730901.46222 1984 4169754372.11455 1985 4144502795.27729 1986 3270766097.15339 1987 2772178663.40434 1988 2618903040.92372 1989 2494755335.36095 1990 2536654915.07103 1991 3157279789.34676 1992 2803777802.31659 1993 3242760606.8444 1994 4198958184.49649 1995 3553371411.44058 1996 3412494578.94901 1997 3353512521.85101 1998 2990082462.28844 1999 3503545191.31515 2000 3740615559.59007 2001 4162472657.41013 2002 4424766697.17138 2003 4665948523.98049 2004 4822155272.08407 2005 5354911966.26617 2006 6255913826.01984 2007 6820952824.16954 2008 7210131564.17032 2009 7481151646.84743 2010 8354874141.13718 2011 8946408486.24925 2012 8888596516.29961 2013 10062971546.2528 2014 10986362020.3895 2015 10973519094.743 2016 9926936272.7395 2017 6803648931.58237 2018 6076949794.33912