Year	current US$
1984	712237773.8927739
1985	634615407.9254079
1986	673124987.5
1987	698499962.5
1988	670374975
1989	731750012.5
1990	615888125
1991	83600694.44444445
1992	36891479.02575551
1993	162105372.68830374
1994	355435476.9980466
1995	509144791.39135355
1996	697344164.8203875
1997	454308793.4560328
1998	547094469.4363588
1999	756233236.7849385
2000	1110462752.0693295
2001	1440560838.0899346
2002	1567718712.4748409
2003	2014184689.596586
2004	2715501613.899208
2005	3053335680.9125566
2006	3386757725.985315
2007	3884917081.0060005
2008	4373128812.909111
2009	3939528388.222466
2010	3390642976.8428116
2011	3785530667.0593624
2012	3263361079.445202
2013	3331982829.011986
2014	3195744975.350777
2015	2779928277.703724
2016	2890329017.057011
2017	3199793450.3613358
2018	3616720925.349855
2019	3436655425.271104
2020	3434284399.4477677
2021	4366740726.429676
2022	4518553598.470907
2023	5596106544.78613