Year	constant 2010 US$
1990	96294232757.7872
1991	85701867152.8008
1992	81159668194.6153
1993	73692978719.0607
1994	64407663403.1418
1995	59126235001.9985
1996	59421866178.2345
1997	60432037902.9645
1998	59283829183.1558
1999	60884492569.8216
2000	66851172842.968
2001	75876081175.723
2002	83311937130.6468
2003	91059947284.0782
2004	99801702224.5959
2005	109482467339.61
2006	121197091344.948
2007	131983632474.649
2008	136339092346.312
2009	137975161454.468
2010	148047348240.643
2011	159002852010.452
2012	166634988906.953
2013	176633088241.371
2014	184051677947.507
2015	186260298082.879
2016	188309161361.789
2017	196029836977.623
2018	204067060293.706