Year	constant 2011 international $
1990	5014689191.234
1991	5260408918.42237
1992	4985219537.51736
1993	5422280804.63223
1994	5756231622.70408
1995	5885016371.03389
1996	7464867960.40011
1997	8274211306.58704
1998	9255482624.24713
1999	9979536626.01586
2000	10147043446.1525
2001	11437845374.4914
2002	12443696082.7814
2003	13252611820.0491
2004	14287797993.5014
2005	15533789403.4811
2006	17064031613.389
2007	18331217008.4472
2008	19591709150.861
2009	20836168689.3411
2010	22229529462.8055
2011	23811739934.0183
2012	25525753223.3228
2013	27348721685.7802
2014	29384579519.3979
2015	31322194566.3704
2016	32500935069.555
2017	33715481440.9536
2018	34816246687.8057