Year constant 2010 US$ 1975 4357944216.14569 1976 4417522793.84025 1977 4239180642.71282 1978 4302775611.94453 1979 4143499304.44367 1980 3852975470.70031 1981 3895376993.75992 1982 3782256788.65492 1983 3718787376.21788 1984 3629667486.68343 1985 3671277557.84945 1986 3763841972.23837 1987 3631237200.30197 1988 3861707083.43853 1989 4072211696.63181 1990 4120855584.11384 1991 3974312474.14276 1992 3841020618.28859 1993 3852135521.68538 1994 3916664958.474 1995 3881891035.53217 1996 3877498748.1266 1997 3768769999.95982 1998 3535610660.56551 1999 3437231506.38397 2000 3764221824.94514 2001 3790538088.59965 2002 3688934052.27411 2003 3806862453.83618 2004 4004672081.73207 2005 4068374537.01878 2006 4087691423.1847 2007 4097619256.30304 2008 4167768342.82356 2009 3930927831.60809 2010 3983068644.02018 2011 4005251329.09324 2012 3761638079.94013 2013 3804253433.7925 2014 3704842676.26952 2015 3622751406.98909 2016 3809635816.24938 2017 3781506259.55815