Year	current US$
1970	297015434416.1267
1971	329485141743.33936
1972	392131557162.01135
1973	531688661075.5724
1974	739686436768.0687
1975	758880625163.1912
1976	859342874146.3269
1977	977227717038.3239
1978	1135166082868.574
1979	1451815000464.523
1980	1736336110902.1028
1981	1689195860717.5134
1982	1589631938971.1865
1983	1568516336305.6763
1984	1684362410471.4795
1985	1730714272855.7603
1986	1983516018483.2017
1987	2355846244673.586
1988	2699400871558.7656
1989	2936162614734.917
1990	3404590904719.0947
1991	3450765257407.4575
1992	3677302707638.812
1993	3527279450489.3667
1994	3945222168750.332
1995	4656418389041.183
1996	4889938524830.554
1997	5015246526322.614
1998	5130625071612.538
1999	5417289603400.21
2000	5987846651141.746
2001	5801814941053.872
2002	5999276924528.034
2003	6912613345851.946
2004	8224578050050.869
2005	9196804713388.102
2006	10391013304097.371
2007	11795628046309.613
2008	13172489765187.576
2009	10317429479099.246
2010	11910299725947.201
2011	13926384411808.39
2012	13725629804421.943
2013	13954026289136.928
2014	14321438549928.227
2015	12897431603495.213
2016	12777873597769.816
2017	13926594343840.846
2018	15230661822984.266
2019	15080098959914.209
2020	13557497228930.525
2021	16574840339608.602
2022	19060464388378.508
2023	18819494361747.023