Year	current US$
1970	682797565.4935168
1971	817919925.1018834
1972	1024566938.5082445
1973	3915333473.8913484
1974	4463772084.805654
1975	4857728529.667377
1976	4856759990.795428
1977	5915257680.4595785
1978	6968198616.507155
1979	8221310344.827586
1980	9151853860.880663
1981	8026949196.474857
1982	7950974429.297411
1983	8150356978.703846
1984	8229630699.401692
1985	8222010508.11386
1986	11383214060.387562
1987	14252249673.487158
1988	15626477209.405996
1989	15515281331.25325
1990	18721856468.59494
1991	19547753682.969948
1992	21838775356.87453
1993	21147997160.771324
1994	22493687507.529213
1995	24277494199.53596
1996	25112126332.206917
1997	23250614499.943623
1998	23644530902.62339
1999	24154810703.494263
2000	21226158809.427498
2001	21001151064.37798
2002	23054846194.580433
2003	27843275509.258766
2004	32652336298.62557
2005	35067060539.26846
2006	36096507442.30583
2007	41625954333.29033
2008	46103962877.11718
2009	43758592608.42966
2010	42771795674.16675
2011	46943217639.88337
2012	45102275064.210945
2013	46863946569.40405
2014	47714301319.33317
2015	41308884662.949196
2016	42787583345.53318
2017	45125182374.98831
2018	48427590536.250946
2019	47280625300.23522
2020	44598623304.56043
2021	50614555478.952675
2022	48827611826.10914
2023	52151056427.29504