Year	constant 2015 US$
1985	6548213772.001034
1986	6777401245.71111
1987	6696072427.740773
1988	7626826568.475474
1989	7131082790.909361
1990	7088296320.453594
1991	6585027345.763622
1992	4675369345.990692
1993	3908608780.500547
1994	3076075187.914279
1995	2694139780.48735
1996	2244218479.3001204
1997	2281936478.834372
1998	2403172744.026424
1999	2492079338.5005956
2000	2699528109.30372
2001	2958165475.046765
2002	3277647457.5541825
2003	3638188647.667108
2004	4012922039.8488264
2005	4281787756.98917
2006	4581513037.4704685
2007	4938871059.832412
2008	5329041788.193225
2009	5536874479.124281
2010	5896771269.652151
2011	6333132378.961512
2012	6808117273.388336
2013	7311917934.3947935
2014	7801816486.463362
2015	8271431485.0748415
2016	8842160257.545006
2017	9469953672.847794
2018	10189670046.825466
2019	10943705646.91047
2020	11425228817.455389
2021	12499200274.925537
2022	13499136339.224829
2023	14619564549.61737