Year	constant 2011 international $
1990	14082792693.6748
1991	14680105756.3039
1992	15704458724.9806
1993	14530472445.2051
1994	14492593619.5184
1995	10831902511.4483
1996	11209682021.7708
1997	12856509506.9998
1998	15283449586.8993
1999	12255896317.4565
2000	11147086252.1532
2001	12865937890.2318
2002	13418813121.6336
2003	13423219987.6198
2004	12683393296.8375
2005	10777697057.2227
2006	10016235134.1781
2007	12135487771.2552
2008	14498400531.3951
2009	16863418593.8666
2010	17311734312.7558
2011	17474371156.6628
2012	21388852160.1379
2013	23612110857.925
2014	28144968500.8152
2015	37057861829.2814
2016	33695079875.2762
2017	31011833744.9217
2018	30437671620.3087