Year	current US$
1970	249599899.3
1971	302303083.3904
1972	298043129.6715
1973	446299400.10260004
1974	621573037.0367
1975	1155545276.1935
1976	1374203680.1862998
1977	1891036929.7251
1978	2483289528.2102
1979	3033516600.4493003
1980	3991683019.5384007
1981	3560654938.0902
1982	3301700288.4872985
1983	3215315271.5519
1984	3001319269.0568995
1985	2811818974.5
1986	3035830010.3833003
1987	3079046910.9254
1988	3254908445.2753005
1989	3126792607.5212
1990	3212233455.8385344
1991	2773029558.6334043
1992	2973255365.190969
1993	3133493592.444982
1994	3601210933.205488
1995	4358246471.99717
1996	4570072753.196308
1997	4710534771.743371
1998	4509211806.8940525
1999	4712750521.765511
2000	5609159667.825664
2001	6924724610.750745
2002	10865748112.137476
2003	14874728117.136332
2004	20146649226.020607
2005	24413861176.9604
2006	32701192943.415295
2007	43242016211.24905
2008	58369713039.99689
2009	52773643866.66347
2010	54377272098.999435
2011	61911759847.96964
2012	73448009046.92484
2013	83874053209.44557
2014	84038541785.01665
2015	69588405639.46046
2016	65573173776.62047
2017	83099524283.00284
2018	86778709930.1402
2019	89601169639.90294
2020	81538050722.00848
2021	88886024073.39754
2022	80184314220.326