Year	current USD
1973	771447632.4821261
1974	931771366.6889651
1975	1033602529.2867221
1976	1117902850.6302152
1977	1420110713.560637
1978	2301568431.6621704
1979	2785711432.522603
1980	2978073965.4160595
1981	2837510351.2493944
1982	2860846361.0235014
1983	2986618540.4931693
1984	3456064510.71558
1985	3430220700.5373735
1986	3657493033.2358365
1987	3871852683.605234
1988	4378882699.035549
1989	4851480154.12134
1990	6922861757.566243
1991	6414673956.287911
1992	5604466163.487954
1993	7970652234.700136
1994	7846287479.255838
1995	7051869116.494606
1996	7426692378.505066
1997	7931035214.716532
1998	9181459160.574373
1999	11842299523.41244
2000	13412647197.321922
2001	13134510344.70187
2002	14930347449.670439
2003	28628087747.396393
2004	35466178199.74586
2005	39355377033.28826
2006	8369045348.030283
2007	9990312189.016403
2008	13267370204.789515
2009	13500923610.545872
2010	11305873813.101307
2011	12508396981.410566
2012	15731297506.85843
2013	18307552010.04685
2014	19915843320.014923
2015	17444105503.036125
2016	16664022472.842854
2017	18726659105.920193
2018	14715870609.185211
2019	15097924964.883469
2020	16815399178.027575
2021	16825095992.725817
2022	17465274869.458984