Year	constant 2011 international $
1990	29414727075.1965
1991	31041885769.4026
1992	28243282801.765
1993	28540249234.9846
1994	31175998007.2776
1995	31225264081.2244
1996	34460419008.2513
1997	35384162992.4328
1998	36405071040.6435
1999	36107342718.6804
2000	35002750586.9711
2001	35506655569.4157
2002	32348685231.7688
2003	26851002014.0943
2004	25291619853.8837
2005	23847194280.0702
2006	23021724796.5633
2007	22180665941.2047
2008	18261575990.3524
2009	20456537060.109
2010	24481426830.4434
2011	27956299245.4411
2012	32615336382.4898
2013	33264216139.1449
2014	34054883047.9463
2015	34661016615.4925
2016	34923008582.1489
2017	36565799250.5555
2018	38817956227.7311