Year	constant 2011 international $
1990	17413790317.6028
1991	19369358757.8235
1992	20665168542.3439
1993	23324777112.0397
1994	23266464822.9933
1995	24180834923.4318
1996	25174668717.4722
1997	25953321167.2141
1998	27196485974.8463
1999	28365934589.0239
2000	29869327645.5335
2001	30613382622.9266
2002	31719795667.2247
2003	33630580677.6875
2004	35978313685.1693
2005	38413664046.7718
2006	40898477900.7634
2007	44289961204.7426
2008	47055926124.3282
2009	48251039581.2998
2010	50342436060.8773
2011	51341141014.8994
2012	53257321531.4798
2013	56142006330.8971
2014	58584095087.0825
2015	60260753039.0903
2016	62352357799.1588
2017	64723943609.1635
2018	65874537111.1982
