Year	current US$
1990	781250000
1991	908333333.3333335
1992	824375000
1993	680113636.3636364
1994	567538461.5384616
1995	489454732.51028806
1996	561760456.1252782
1997	676860146.9105573
1998	600501762.4284916
1999	527140642.41694313
2000	573185350.3558465
2001	560092476.9581686
2002	635535283.2524122
2003	742293893.6886806
2004	941138691.60631
2005	942411213.5864438
2006	1182432651.190823
2007	2012053352.5106764
2008	2752394339.7646103
2009	2565386046.483008
2010	2471700785.09475
2011	3380167186.1249876
2012	2932960920.5965242
2013	3099063073.5224133
2014	2796703652.8718853
2015	2350023986.1842556
2016	2440819276.624535
2017	2638475263.5338764
2018	2613812660.952186
2019	3137172120.6340528
2020	2446559919.565706
2021	3311706968.0632353
2022	3633690127.752522