Year	current US$
1970	2200707065.3612065
1971	2570373939.861218
1972	3142297160.5452704
1973	4334861901.749948
1974	5401043875.147232
1975	6725931895.393854
1976	7381284037.738743
1977	8768401465.323454
1978	10956079787.738085
1979	12955362840.967575
1980	14388328015.31589
1981	12761089510.97287
1982	13076647576.026457
1983	13231553546.805578
1984	12501642252.939962
1985	12890566640.063847
1986	18604377647.589005
1987	23284168480.626907
1988	24685796277.722054
1989	24206603224.128963
1990	29922915406.026867
1991	31557191514.43724
1992	36069773353.36839
1993	36744077842.1862
1994	39576137814.72112
1995	47218575133.069466
1996	46419911619.443726
1997	41708591723.98241
1998	42676478434.85994
1999	43112181376.922874
2000	37918506810.478516
2001	37479596921.964615
2002	40389198287.63929
2003	49778590783.113625
2004	56949430492.72602
2005	61152075452.76262
2006	64761790915.517555
2007	72952026143.73357
2008	83265614843.79686
2009	83100634573.64056
2010	80387163344.66682
2011	85890543203.113
2012	81310035240.35158
2013	85676589242.65515
2014	87644371858.05067
2015	75483956483.30464
2016	77786398661.43988
2017	81321127498.10602
2018	87992483572.3215
2019	86520557765.33319
2020	91887838029.24539
2021	104413970410.07584
2022	96961222477.74356
2023	104718487777.64891