Year	constant 2011 international $
1990	4251073000.68611
1991	4728901270.19936
1992	4787838408.27902
1993	4555359258.21054
1994	3572520162.80956
1995	3629671392.63729
1996	3913891958.08832
1997	4299840916.58823
1998	4891951026.96703
1999	5689962486.43357
2000	6406935036.79692
2001	6633223746.21268
2002	7514898538.55701
2003	7071047475.84007
2004	7527375154.42739
2005	8196067202.61946
2006	9347011372.92893
2007	9480700312.60354
2008	10128691363.4433
2009	11281166920.1322
2010	11826460508.6197
2011	12843126464.6858
2012	13797362053.9346
2013	14358020431.1791
2014	15474615714.123
2015	18287648818.2174
2016	18201436493.8023
2017	18500558812.4229
2018	19726148065.6117