Year	current US$
1980	12352453974.334934
1981	12482176418.97273
1982	11691453490.716097
1983	10562747355.988132
1984	10883339224.770502
1985	10938810000.122223
1986	11597311567.721167
1987	14446611103.286676
1988	15679987277.563637
1989	16706896901.5957
1990	20446518683.036957
1991	19738464400.264187
1992	21287485824.39188
1993	20847112801.841114
1994	22386265606.433475
1995	30002261304.516495
1996	31564670351.402607
1997	31104189644.882286
1998	30657986527.33125
1999	32635565114.043056
2000	36700991463.888596
2001	36452257806.11277
2002	38222281099.56387
2003	45299434236.91989
2004	54243384423.97044
2005	62765879516.89243
2006	71854646811.05751
2007	84755402661.6812
2008	99622115729.18803
2009	81306063710.26097
2010	91292000870.893
2011	118616530134.88051
2012	120890342467.23558
2013	127128863155.18523
2014	128128293211.6574
2015	109397953945.1424
2016	109517621556.53328
2017	123985611893.54346
2018	138298904376.80826
2019	140569770645.0613
2020	125109316245.75256
2021	165802436750.9404
2022	186842408452.59875
2023	192642507782.74335