Year	constant 2011 international $
1995	16322814615.3488
1996	17191815944.521
1997	19220212758.9559
1998	20011558458.4621
1999	19840169811.117
2000	21936893827.1824
2001	23325216331.0341
2002	24742548540.4217
2003	26577496360.9232
2004	28250482309.8643
2005	30898601006.0056
2006	34072469486.4994
2007	36712469966.8663
2008	34722853850.8742
2009	29610120602.1953
2010	30279035698.8539
2011	32579424941.3604
2012	33982705150.2729
2013	34640794999.0729
2014	35641416478.9385
2015	36318705536.669
2016	37585900442.4758
2017	39411329929.1416
2018	40934874827.1866