Year	constant 2010 US$
1990	1529657008.89897
1991	1525191054.89502
1992	1134657696.16641
1993	872934488.818055
1994	557976872.99108
1995	420142966.13756
1996	439902615.8237
1997	701407829.617448
1998	756980099.075759
1999	713687101.199364
2000	742948258.871911
2001	810358258.247031
2002	722218929.418454
2003	851091364.67146
2004	869824483.862385
2005	723433100.703777
2006	621099240.853659
2007	660493274.366869
2008	800584546.668635
2009	726085568.087452
2010	808342561.509693
2011	852955449.350146
2012	617780955.228025
2013	911385704.760526
2014	885350378.192962
2015	830056048.999131
2016	878585596.864468
2017	937475696.656945
2018	984422135.384526