Year	constant 2011 international $
1990	19345840678.0815
1991	17972286164.7805
1992	12760322987.3062
1993	10667630037.1815
1994	8395425051.21754
1995	7353022024.1208
1996	6125067461.1425
1997	6228009885.76717
1998	6558895808.81235
1999	6801545485.71216
2000	7367728202.60008
2001	8073618171.76314
2002	8948628162.52506
2003	9926579753.18134
2004	10956003174.6977
2005	11683952205.3971
2006	12507490777.6641
2007	13478089485.2633
2008	14544277734.4301
2009	15110460451.318
2010	16095765337.3965
2011	17286955072.7244
2012	18581086820.3117
2013	19956102343.3525
2014	21294352214.0125
2015	22573778195.4857
2016	24125265798.4521
2017	25963006157.314
2018	27858305681.436