Year	current US$
1980	19525307692.307693
1981	19672285714.285713
1982	19187533333.333332
1983	16484500000
1984	17556333333.333332
1985	17092578947.368423
1986	20117823529.411766
1987	27786846153.846153
1988	22134941176.47059
1989	21351666666.666668
1990	18995909090.90909
1991	9832580645.161291
1992	10180773195.876287
1993	10639341885.917229
1994	9504964944.649446
1995	18559500379.628117
1996	11898890319.244024
1997	10959229231.115913
1998	14747553565.808773
1999	13442625945.475323
2000	12922579411.522295
2001	14208346103.918692
2002	16746547984.448536
2003	21488758770.983124
2004	26463249590.980686
2005	29952160205.014442
2006	33529451338.353214
2007	41158999020.29391
2008	51846141511.92453
2009	50357535978.02504
2010	49698376601.36921
2011	55929518183.75916
2012	53568146883.00598
2013	54615902084.60651
2014	56667245618.801796
2015	49246152144.315865
2016	52309213877.41242
2017	58007241956.91099
2018	64219204758.16678
2019	66934503462.88134
2020	67958245050.51685
2021	80703079760.53697
2022	87391116237.7517
2023	98154828123.3095