Year	current US$
1980	3703362434.1504307
1981	3531393713.7530365
1982	3302695593.906963
1983	3133274988.942377
1984	3256719354.3843403
1985	3043994890.8528533
1986	3459403786.746616
1987	4164665280.828617
1988	4752224462.022807
1989	4922565489.393444
1990	5784163236.162957
1991	6107553577.456183
1992	6442729030.44369
1993	6435001509.341783
1994	6923413288.358692
1995	7948968241.227447
1996	8211111947.200579
1997	8671467694.935656
1998	8497424201.5283985
1999	8549955036.086626
2000	9253300171.239305
2001	9143025551.24724
2002	9601420424.181896
2003	11414712350.542957
2004	12852230415.835945
2005	13614452929.453842
2006	15157485836.613703
2007	17409191127.335846
2008	20358224153.93319
2009	16891490708.530895
2010	18989640663.48277
2011	22142560226.167034
2012	21985463914.64483
2013	22174804376.229126
2014	22691180075.741344
2015	20545471908.57782
2016	20654406282.7546
2017	23171123671.131054
2018	24787969448.81658
2019	24378323653.4647
2020	22832189483.616787
2021	27678070091.989662
2022	31659341610.00502
2023	30171977694.78528