Year constant 2010 US$ 1970 6882834970267.23 1971 7110942768163.31 1972 7445713024984.91 1973 7906098829808.91 1974 8024771951116.81 1975 7967836006667.23 1976 8366588796782.99 1977 8529148798583.98 1978 8765599819178.08 1979 9146634377556.16 1980 9312327138680.76 1981 9204296228618.66 1982 9284312326739.72 1983 9401372823514.36 1984 9581431080978.33 1985 9814907112034.29 1986 10199804122668.5 1987 10576887807922.6 1988 11088686584028.9 1989 11511693962499.9 1990 11853365329965.8 1991 11989041275640.6 1992 12151153805130.9 1993 12007902992680.2 1994 12331032267475.6 1995 12627870666818.1 1996 12869101436690.1 1997 13205378186600.8 1998 13720596346156.9 1999 14208473031156.4 2000 14707416029392.3 2001 14990137316995.6 2002 15157013463981.8 2003 15435591180495 2004 15799812507384.9 2005 16151312644086.3 2006 16673343592255.5 2007 17202213987627.4 2008 17270717774739.2 2009 16561863531751.2 2010 16839141554676.4 2011 16964377830956.2 2012 16705344315607.3 2013 16704869687189.6 2014 17027706777943.6 2015 17477123168581.3 2016 17887538095989.9 2017 18282504193840.5 2018 18621479488850.2