Year	constant 2011 international $
1990	20874735047.7514
1991	21184032417.9266
1992	21880042731.1197
1993	22625064123.0806
1994	23956888017.1557
1995	24753461078.5177
1996	24876838627.8842
1997	25612718796.7129
1998	25488297705.244
1999	25130727332.964
2000	24758597850.758
2001	26121556402.4999
2002	25390736249.6937
2003	27374829956.8783
2004	28663141638.873
2005	28925632357.5404
2006	30082206462.4919
2007	31584255806.0372
2008	33959776896.4688
2009	34090346440.2614
2010	37131312389.2822
2011	38940600018.2378
2012	40182020330.9593
2013	42095889589.3228
2014	44440548548.7362
2015	46003720600.5577
2016	47638773938.7156
2017	49805650450.9164
2018	51725641450.9137