Year	constant 2011 international $
1990	22001441204.933
1991	23903287602.1557
1992	24338244457.4062
1993	25360608483.6527
1994	26329617330.3327
1995	26706710182.8191
1996	27077513718.9217
1997	28623563147.5396
1998	30353757777.4358
1999	32928060831.9574
2000	35641266895.965
2001	36543694836.0446
2002	37939470223.0149
2003	38557613098.3109
2004	39950382217.2853
2005	41217785214.6999
2006	43352242437.3619
2007	46974128599.1102
2008	46373054426.7791
2009	44351835227.9513
2010	46509538067.72
2011	47690524461.9649
2012	47522406130.3068
2013	49259050866.1997
2014	51375607076.8136
2015	53387456721.0942
2016	54674858288.3577
2017	55519946036.3272
2018	56964949206.4298