Year	constant 2010 US$
1970	553610144532.994
1971	584543152479.671
1972	614099777209.348
1973	648679819538.207
1974	666579163761.863
1975	679596290588.681
1976	716647971453.871
1977	734973460371.498
1978	763516242550.499
1979	789404207563.028
1980	798806101822.823
1981	814591260135.04
1982	841144519576.3
1983	848118025704.808
1984	853626103454.404
1985	869548645772.337
1986	901365744789.673
1987	930902016161.632
1988	961819759321.796
1989	992424572371.803
1990	1018227308551.49
1991	1024878980199.34
1992	1036403964873.52
1993	1035801002097.86
1994	1053152082805.67
1995	1071289304786.84
1996	1092288691854.08
1997	1098166942928.14
1998	1141936443290.87
1999	1181491564507.55
2000	1224805662580.54
2001	1255653441694.37
2002	1281799637557.25
2003	1300840031724.66
2004	1326220439539.45
2005	1358285592794.49
2006	1387398263824.3
2007	1423991998312.8
2008	1431427267147.07
2009	1435790478756.28
2010	1462834758499.08
2011	1471870295631.04
2012	1465642224457.78
2013	1473109295107.21
2014	1485185087516.61
2015	1507151250400.41
2016	1533976733501.28
2017	1555345021915.74
2018	1569325108097.61