Year	constant 2011 international $
1990	4220636839.41384
1991	4334593995.72231
1992	4351932373.67821
1993	4060352970.409
1994	4198404952.49483
1995	4198404952.49483
1996	4240389022.57203
1997	4482091137.83255
1998	4585179290.06926
1999	4520986779.02178
2000	4615927440.79319
2001	4809796395.60835
2002	4944470737.43408
2003	5255972348.51304
2004	5702730012.52323
2005	5959352902.54711
2006	6304995348.86282
2007	6626483630.85539
2008	6901439134.85975
2009	7109679543.69112
2010	7476911396.97139
2011	7914263443.50122
2012	8127184834.57495
2013	8365591025.35249
2014	8386965373.49116
2015	8100877944.55812
2016	7650372453.01988
2017	7779440632.16496
2018	7934815701.32687