Year	constant 2011 international $
1990	305478494898.331
1991	311078142693.134
1992	315839675140.446
1993	312801698356.334
1994	322895719941.695
1995	330595998839.417
1996	335863705708.523
1997	348325658547.21
1998	355206043512.949
1999	367863230129.956
2000	381230040161.846
2001	384323926557.346
2002	391166796945.069
2003	394196018410.817
2004	408524464685.343
2005	417080052248.759
2006	427532663262.743
2007	442278163923.256
2008	445741901612.346
2009	435698571906.597
2010	447655147543.37
2011	455705357904.872
2012	456775257024.141
2013	457691830603.088
2014	463434384659.378
2015	471496198604.057
2016	478344927123.347
2017	486641292058.424
2018	493638389303.502