Year	constant 2011 international $
1994	8615174559.85434
1995	9276675653.39626
1996	9304092626.87187
1997	10791643470.8811
1998	12728280019.5099
1999	13770444637.3036
2000	12056402813.0205
2001	10556318254.9951
2002	9097557289.02206
2003	10370915105.809
2004	11331153150.4282
2005	12780228098.6336
2006	12434329343.5002
2007	13388831174.998
2008	14241818411.6949
2009	15094701927.3086
2010	16230921172.4063
2011	18332734924.1935
2012	19606498884.3776
2013	20303880169.2534
2014	20688975064.6867
2015	21790830321.7492
2016	22941416388.3107
2017	23540792519.1198
2018	24279365535.48