Year	current US$
1970	199113641.0467752
1971	207165137.6146789
1972	236728847.88478848
1973	274327202.88674194
1974	311855774.5851431
1975	346427535.4234074
1976	358665555.8921539
1977	458655281.0816306
1978	543261000.3341874
1979	645587065.8682635
1980	824391747.4521501
1981	811731238.8987566
1982	833335104.1666667
1983	796752506.701082
1984	773583294.5339416
1985	797951592.2401172
1986	981548066.4190518
1987	1141857355.8648112
1988	1315899831.3221745
1989	1371599162.35526
1990	1628952856.9498854
1991	1718447410.3585658
1992	1871594427.244582
1993	1648505221.7855139
1994	1807316823.8100648
1995	2288759727.626459
1996	2441060028.5850406
1997	2389440551.662774
1998	2504135263.565035
1999	2612393456.736978
2000	2580396531.540447
2001	2633069748.1929507
2002	2717165307.480299
2003	3325511177.540833
2004	3854044287.504758
2005	4126974750.4833603
2006	4379730475.947522
2007	4919592699.9067335
2008	5442871773.195738
2009	5321727042.931634
2010	5295273477.455697
2011	5903488983.044428
2012	5624854543.582557
2013	6061260950.025235
2014	6259415193.089031
2015	5435458289.701674
2016	5638347403.164195
2017	6137564751.399403
2018	7093319292.342765
2019	7145423831.992285
2020	6592590378.508508
2021	7473682185.436538
2022	7781296746.783043
2023	9090843521.423208