Year	constant 2010 US$
1990	13388452016.0316
1991	14031097710.6005
1992	14255595272.4839
1993	10862763598.1685
1994	10938802945.2768
1995	10348107585.2094
1996	8826935770.86478
1997	7926588322.01479
1998	6753453250.2241
1999	7266715696.85518
2000	8356723051.45547
2001	9961213877.04688
2002	9214122837.38448
2003	10034179769.6755
2004	11097802824.9356
2005	12296365529.925
2006	13194000213.6095
2007	15041160243.198
2008	15432230409.1266
2009	15586552713.4627
2010	16007389637.2705
2011	17912269004.1086
2012	20330425319.8073
2013	20676042550.4226
2014	22702294719.7447
2015	23247149793.8366
2016	23781834238.3388
2017	24233689089.4375