Year	constant 2010 US$
1976	27409280395.1077
1977	28668705277.6845
1978	29204572180.6201
1979	30681625430.312
1980	31752365123.1864
1981	31754556913.2191
1982	31730606551.1217
1983	33060129511.7804
1984	33216234786.9556
1985	35158558877.9056
1986	36481061329.4065
1987	36031349032.006
1988	37809178545.9474
1989	39180619275.7624
1990	41693295236.313
1991	42816331153.2678
1992	42597237045.607
1993	41685637811.4342
1994	43231760193.848
1995	45755381727.8751
1996	46174919662.8883
1997	47451135068.9519
1998	48794525283.4377
1999	50951085625.5853
2000	54244942492.5781
2001	55725860942.6031
2002	54973760026.62
2003	55340122319.7139
2004	57016234446.1043
2005	59563592712.564
2006	64285483761.043
2007	69290086453.9577
2008	70043617748.3536
2009	59728774930.7503
2010	64578049123.4334
2011	69247214834.3082
2012	70658852641.0256
2013	70842748976.779
2014	72427674479.355
2015	73385749886.7776
2016	75935968910.0628
2017	79552919123.1632
2018	83325793827.5005