Year	constant 2010 US$
1990	73896683986.2588
1991	75831994170.8145
1992	76647053421.8333
1993	80942550589.4242
1994	79571477158.2299
1995	84015139463.6407
1996	90265275261.4938
1997	94362296914.9579
1998	96533469065.0285
1999	100097915767.141
2000	100698696906.973
2001	104969949431.566
2002	106653032510.165
2003	109834712446.663
2004	113170258013.726
2005	119753619556.176
2006	125566472806.368
2007	131225773395.595
2008	137433973332.767
2009	142845258931.472
2010	147566988227.379
2011	150880044886.558
2012	160082431487.388
2013	164277121422.38
2014	170034138178.544
2015	175334162966.948
2016	179819157762.911
2017	185882386914.171
2018	189796848952.503