Year	current US$
1992	566036215408.7695
1993	583006298582.278
1994	534521838242.66254
1995	617820099655.801
1996	683403999610.6179
1997	718675107411.9423
1998	732315221898.606
1999	654491016816.9641
2000	714488166140.0052
2001	718467739115.4116
2002	807993039113.7028
2003	989750793297.4031
2004	1293616574186.8613
2005	1629005527195.9675
2006	1967479391041.488
2007	2568174788715.9434
2008	3154341734786.674
2009	2505248799594.206
2010	2970190422293.9976
2011	3578540835702.9907
2012	3752561342923.5156
2013	3967561965041.4727
2014	3743337418045.164
2015	2971398477230.6475
2016	2842748633121.6313
2017	3168318869179.81
2018	3267791809794.6543
2019	3327579367218.8716
2020	3185702777041.15
2021	3555732037829.385