Year	constant 2011 international $
1990	17024005120.0182
1991	17449631219.6474
1992	17839601327.7187
1993	17906065033.5044
1994	17912466689.5061
1995	18916774318.0635
1996	19551394466.0799
1997	20136159318.6768
1998	21398399702.6858
1999	22628902380.1103
2000	23323539953.2241
2001	24463101854.2465
2002	24554491400.9267
2003	26306106946.779
2004	27910558989.7355
2005	29500961843.2014
2006	30309449380.9165
2007	31810107743.6802
2008	33179174644.3859
2009	33615725921.6831
2010	34853364096.3532
2011	35141864992.7798
2012	36910657121.2709
2013	37928727744.5076
2014	40335472920.9974
2015	42757646633.5292
2016	45252740285.38
2017	48406736492.2799
2018	51617740052.914