Year	current US$
1960	3686015583.3333335
1961	4183360000
1962	4154454187.5
1963	4514922666.666667
1964	4511238833.333334
1981	16355630354.95716
1982	14966067864.271458
1983	14728577441.07744
1984	16816520000
1985	18146884615.384617
1986	17547166666.666668
1987	19865677419.35484
1988	21809646736.870296
1989	23187353469.61704
1990	25291457429.090733
1991	25165490196.07843
1992	25901193633.95225
1993	27444259259.259262
1994	27694688279.301746
1995	31202910447.761192
1996	36617726161.369194
1997	37609812646.37002
1998	38107533039.647575
1999	39084920965.058235
2000	40031663685.152054
2001	40235841363.97331
2002	40571565383.94567
2003	44930345423.14335
2004	47944436894.853065
2005	51248320133.77914
2006	52499417075.06482
2007	58827560196.71058
2008	69307178967.99039
2009	76419661998.2572
2010	85436064006.4167
2011	95530242319.35954
2012	98299205375.87218
2013	109270901408.50829
2014	125468199689.8033
2015	141358913306.13745
2016	177340892353.41635
2017	196542010583.00644
2018	217207964395.7769
2019	234894700849.80264
2020	250383688168.90106
2021	286292629816.44696
2022	317843355095.8219
2023	299958946776.12274