Year	constant 2011 international $
1990	13162369595.8354
1991	13908242621.1151
1992	14199417417.8106
1993	15611395666.0954
1994	16604298754.4653
1995	18609777565.1888
1996	20362888231.1159
1997	21516965041.4497
1998	22607858560.9297
1999	24401901641.7647
2000	24784443822.8042
2001	25719407826.5411
2002	28246884355.0186
2003	30105123909.7054
2004	31945784353.2674
2005	33888080801.0212
2006	37715384906.7781
2007	41117074007.8179
2008	44755402528.5399
2009	47846931546.9715
2010	50541686144.9545
2011	55370715714.0034
2012	57230392697.5111
2013	59197765800.4101
2014	62171337241.2604
2015	65641651108.5844
2016	68700629218.3333
2017	71075582644.5516
2018	74859953629.521