Year	current US$
1983	10020000000
1984	8575714285.714286
1985	10376666666.666666
1986	8669148936.170214
1987	8584112149.53271
1988	12098285714.285713
1989	10006614069.069778
1990	14643479947.250656
1991	14561091033.036182
1992	15095261860.490469
1993	16357317317.317318
1994	19385100000
1995	24978532000
1996	28381400000
1997	30928400000
1998	31137200000
1999	27862300000
2000	31223690400
2001	31112418400
2002	27736610298.25549
2003	33084505277.806065
2004	39266996605.797295
2005	46198180131.00437
2006	53550250227.390854
2007	65162321195.025
2008	79762958392.30116
2009	65133480388.49459
2010	80208867995.71712
2011	97809980730.58337
2012	88655850853.77213
2013	80690471898.442
2014	75818867911.0825
2015	63671789068.898705
2016	69842604407.38777
2017	72860557902.76312
2018	75766598613.01971
2019	80259482469.13904
2020	64053810078.307274
2021	87805815481.47083
2022	102871975261.16531
2023	82760724361.70357