Year	current US$
1970	261538777832.4191
1971	287238336361.5371
1972	326162484224.6603
1973	425110864730.1573
1974	522950861119.0303
1975	576103156102.9514
1976	617075699001.9127
1977	687506557398.7106
1978	728166457403.4268
1979	842794262612.9911
1980	959882130158.5732
1981	1071862259567.3372
1982	1055935523625.0452
1983	1029638011525.5543
1984	1076385113606.5085
1985	1110908036054.7517
1986	1165791702907.3945
1987	1145484808690.398
1988	1266825472817.2905
1989	1393122408285.7537
1990	1659261809723.153
1991	1797167934842.9778
1992	1980449439668.5613
1993	2254896640058.7153
1994	2572973085469.4917
1995	2936059374803.602
1996	3252284318740.1826
1997	3458607396859.976
1998	3393644786785.562
1999	3257343440400.026
2000	3534982146560.323
2001	3519468863797.3994
2002	3560301886999.9165
2003	3959846827514.6826
2004	4624966126357.791
2005	5441005872115.44
2006	6429489884841.29
2007	7929615327854.694
2008	9405765157514.922
2009	9480073380632.02
2010	11372626951093.291
2011	13278719653048.54
2012	14295897014032.861
2013	15114363428314.828
2014	15754539723641.414
2015	15229755779218.139
2016	15300663250997.908
2017	16818603383526.852
2018	17585771664696.434
2019	17848073493658.582
2020	17092806569495.863
2021	20007377976890.965