Year	current US$
1972	556560228.2756478
1973	754427371.5117822
1974	973559143.3531849
1975	1160033811.611755
1976	1264688681.6538172
1977	1333178018.440498
1978	1431512778.4767954
1979	1732305900.649348
1980	1926883184.8277485
1981	2112080604.8791056
1982	1960203585.3696513
1983	1829948464.1482618
1984	1908782990.686562
1985	1887188787.9973965
1986	2111280309.4066145
1987	2168167646.744474
1988	2319107299.012132
1989	2383669050.043252
1990	2485177485.573376
1991	2544809574.538037
1992	2823156497.335755
1993	2993227507.0559826
1994	3223152592.0525794
1995	3623919688.0355306
1996	3954953145.2423606
1997	3938784132.355549
1998	3734998890.9123626
1999	3773140809.4053235
2000	3627331954.097642
2001	3569404038.7703524
2002	3541890769.42292
2003	3872838249.101617
2004	4622217389.128561
2005	5381239250.085395
2006	5609990992.133259
2007	5982551097.687427
2008	6465269877.151595
2009	6527554254.203519
2010	6624678850.803405
2011	7034372493.676455
2012	7652072235.985164
2013	8590371726.940083
2014	9010730880.757614
2015	9214413860.666927
2016	9432933877.906631
2017	9695088243.18563
2018	10566387225.24798
2019	11013251417.391945
2020	9977352477.939322
2021	9890978015.544056
2022	10977728418.62825
2023	11509033307.910282