Year	constant 2010 US$
1993	3896272626.73928
1994	3131230282.81089
1995	2628815520.62012
1996	2793690788.97642
1997	2570377737.6838
1998	2952671631.34983
1999	2983652876.76518
2000	2900170344.47386
2001	2942623598.89332
2002	3050212406.11813
2003	3639845223.83982
2004	3895142916.86535
2005	4145511057.60447
2006	4826543555.34791
2007	4951975672.13411
2008	5502885075.85743
2009	4819662798.72359
2010	4924889533.83387
2011	5336482593.08436
2012	5868421043.85182
2013	6276928814.84229
2014	6438873488.14605
2015	6390896258.62642
2016	6365596781.2379
2017	6729796856.37123
2018	6954077364.45964