Year	constant 2010 US$
1992	6501316600.22036
1993	5697428197.52652
1994	5430334443.50902
1995	4782360087.33743
1996	4501155052.24363
1997	4621056196.80627
1998	4722174520.58982
1999	5424662469.51587
2000	5766928152.49485
2001	6190236868.9137
2002	6585709206.87094
2003	7141478944.97079
2004	7773207484.82455
2005	8492248099.29226
2006	9942763865.16959
2007	11169998598.1333
2008	12663494611.2664
2009	13717727091.125
2010	14927120966.7373
2011	15980542498.5345
2012	17390781177.3608
2013	18889683510.9035
2014	20795708802.8859
2015	22304045165.5432
2016	21999885579.3029
2017	23076229909.6366
2018	24192526947.7966