Year	current US$
1970	426566439.95082086
1971	480214569.6036907
1972	569517256.1141294
1973	763529818.1865373
1974	1045235759.3244989
1975	1147846192.5710552
1976	1145576764.931357
1977	1204225093.8327043
1978	1380350731.4665313
1979	1661086763.5065808
1980	1890462575.4369924
1981	1955896931.8593187
1982	1925210534.624426
1983	1843164674.0202801
1984	1938207509.2797878
1985	1862274198.467382
1986	2030422410.0298002
1987	1986321622.5951931
1988	2046491427.7919219
1989	2132735951.5380201
1990	2385286557.5535583
1991	2529764745.3474536
1992	2777196194.8322163
1993	2916386566.927432
1994	3414847819.095339
1995	3706469724.205884
1996	3971732138.228153
1997	3981606456.547863
1998	3432249336.1636286
1999	3744358277.4538393
2000	3448222600.924604
2001	3391891585.173828
2002	3556817548.4944625
2003	4239645994.428815
2004	4876721916.033783
2005	5412748919.65417
2006	5680719028.439602
2007	6259150036.439478
2008	6702842278.154129
2009	6042995506.231469
2010	6646636169.350476
2011	7754564667.391935
2012	8219726546.103479
2013	8544636536.179372
2014	9290027187.464344
2015	9082590662.612247
2016	9532201525.568127
2017	10290482444.210773
2018	10791457053.208267
2019	10729092905.36428
2020	9505064735.52033
2021	9493809706.882942
2022	10316299126.575954
2023	11232231820.248749