Year	constant 2010 US$
1990	32267052834.6838
1991	23445984281.2823
1992	27309288521.1996
1993	27360936106.7114
1994	30575818904.8735
1995	37709580720.7467
1996	41415627086.2514
1997	39259670388.6482
1998	38811304700.6925
1999	37785713350.6997
2000	40957103399.5261
2001	43240558689.9323
2002	44185409657.953
2003	44971973871.9516
2004	46732135143.2723
2005	49720105245.245
2006	52639273231.8406
2007	59757464689.1731
2008	61269173877.1877
2009	55084523451.1015
2010	55826319165.3686
2011	56308562302.8288
2012	54567774534.316
2013	53206707420.837
2014	55295589910.0703
2015	60930294660.5056
2016	59036089694.0819
2017	61228646603.7464
2018	65613708062.257