Year	current US$
1970	1076717248.98
1971	3470876077.33
1972	4155301695.2
1973	5496852969.5
1974	6018659474.25
1975	9198292011.354
1976	9472322835.282898
1977	11864131770.079
1978	14842583087.855999
1979	16841222960.407001
1980	18799750403.989998
1981	20668234488.315
1982	21188283545.284798
1983	20806775895.635803
1984	20447689061.7651
1985	20533052010.8291
1986	27055049766.136898
1987	33218745667.3039
1988	36258155430.19701
1989	38666011927.40301
1990	46945526281.75519
1991	50517061179.29353
1992	56881219970.32888
1993	57315410669.14425
1994	59062540272.72121
1995	69947129709.86508
1996	73441391875.15196
1997	72795525500.69232
1998	74972059547.68808
1999	88798555260.43556
2000	88329667335.38739
2001	95453052812.8429
2002	101678674477.7583
2003	112677901197.79805
2004	126919330387.0683
2005	136290318273.1827
2006	150603350420.21115
2007	174244200736.5633
2008	205747076778.69635
2009	191972250062.07742
2010	193318641455.98145
2011	211056324646.46533
2012	207108363316.12506
2013	219683946548.24307
2014	224066736674.93143
2015	215972222170.59518
2016	224572727983.61374
2017	241679121196.8473
2018	260425844100.90765
2019	268304462387.06
2020	259039493471.18527
2021	286275822371.45996
2022	299325181926.3059