Year	current US$
1995	3472536376.463926
1996	3404910474.8511815
1997	3667635048.52797
1998	3750042093.13369
1999	3888234240.1973224
2000	4148549680.014862
2001	3832528878.5902767
2002	3789571474.710072
2003	5082578618.165918
2004	5770432708.343074
2005	6792803079.5108795
2006	7901936150.731615
2007	8870256640.903547
2008	9601369290.78437
2009	8524787429.063571
2010	10629572367.232483
2011	10685295230.817986
2012	9063534135.950268
2013	8262231488.937084
2014	8266756880.1522875
2015	8282984818.375744
2016	8312378819.612694
2017	8969457240.838331
2018	8732867322.844318
2019	8193743298.725609