Year	constant 2010 US$
1978	560678508783.586
1979	549695508373.213
1980	462745650710.456
1981	459008651243.332
1982	539191498971.147
1983	569584925443.223
1984	558690129545.334
1985	575210229844.687
1986	555568896819.006
1987	570063342720.164
1988	560699238883.903
1989	586457494023.737
1990	629961540022.782
1991	676310892492.2
1992	699627794459.202
1993	708461681533.141
1994	712877814422.548
1995	735182325250.99
1996	769978844443.626
1997	787649571926.958
1998	824027055797.646
1999	838950389183.847
2000	880579223185.638
2001	905644488642.733
2002	949926045998.372
2003	1010212626800.31
2004	1058861863625.58
2005	1097619520643.85
2006	1157494774760.54
2007	1246629197196.91
2008	1285469026118.88
2009	1312924136984.44
2010	1374836683123.56
2011	1405543834511.09
2012	1381464209265.55
2013	1401533122827.98
2014	1450285618239.5
2015	1474301197153.5
2016	1594387355624.13
2017	1643609076414.74