Year	constant 2011 international $
1995	17518290991.2918
1996	18622949925.6437
1997	19669032797.6194
1998	20603695411.5539
1999	21627459317.6063
2000	23152523199.6911
2001	24117406492.9556
2002	25610567969.5368
2003	28505715368.3221
2004	31604179862.083
2005	35271578519.3668
2006	38480614409.3844
2007	43259202137.7531
2008	44926292894.3689
2009	37130699808.6881
2010	35885238000.5077
2011	37535510295.5828
2012	38697049768.3838
2013	40366225185.5656
2014	41967374879.0086
2015	43631303950.4246
2016	45829028106.8698
2017	47357017712.5748
2018	49195978884.4591