Year constant 2010 US$ 1960 693605134.335798 1961 750927882.636148 1962 831179677.411753 1963 1043273864.8504 1964 1295493906.09748 1965 1404407092.10166 1966 1353614558.00547 1967 1743434300.57764 1968 1846293501.38705 1969 2133264841.01693 1970 2368180311.80071 1971 2506585648.3408 1972 2666586450.20473 1973 2684359518.07006 1974 4032888343.86712 1975 4982710893.15934 1976 5808078776.31831 1977 5611257706.10667 1978 5823314376.8167 1979 4787153157.69761 1980 5130002763.6321 1981 4759640534.99674 1982 4674338447.45832 1983 4873016727.25986 1984 6017576384.31973 1985 5601863678.70061 1986 5085732060.01267 1987 4761800081.72543 1988 4918367204.24364 1989 6766939027.32738 1990 7558412828.01097 1991 7778579883.00086 1992 7977167174.58662 1993 8977573392.29058 1994 9380552280.73858 1995 9965054983.91478 1996 10207202651.5817 1997 10551997490.7473 1998 9894956548.48955 1999 9370511346.33246 2000 8321011021.72753 2001 7839578185.14776 2002 7262877933.28673 2003 7393718103.43801 2004 7492121092.83582 2005 8123176527.53711 2006 7568542351.80482 2007 7800597758.38984 2008 7325918630.62379 2009 7211643084.349 2010 8279661163.349 2011 8690909089.30388 2012 8374632216.57565 2013 8345942446.93629 2014 8379082845.11736 2015 9104627383.75361 2016 8843720172.3865 2017 9145993197.28329