Year	constant 2010 US$
1993	13557907913.0287
1994	14874565549.1995
1995	17039100441.1399
1996	18860995117.3537
1997	19662586886.233
1998	19990522691.8697
1999	21245297343.9975
2000	23357009150.053
2001	24250755959.3156
2002	25217598471.0641
2003	25656486850.8895
2004	27899257785.3992
2005	32252640948.778
2006	38852146139.0442
2007	41493068736.6644
2008	44945793462.7518
2009	39530951788.7765
2010	43985129527.5745
2011	48431557865.2494
2012	46873404631.3144
2013	45590721662.9796
2014	48410456455.4344
2015	50930006676.0043
2016	52721165551.8176
2017	58278009765.2926
2018	59213226342.7277