Year	current US$
1970	40810259.18621942
1971	44214490.934615254
1972	51938811.01927806
1973	56843856.49754203
1974	64797636.21810609
1975	64859690.83763626
1976	72760019.13910027
1977	55395141.725331336
1978	67365362.61882277
1979	68540772.801679
1980	79508242.44107528
1981	114585446.43813194
1982	126667171.87271881
1983	108232677.58292063
1984	55549144.947339095
1985	67051709.43526486
1986	44832041.7764094
1987	48344095.909000315
1988	41202948.89863013
1989	62214334.70389503
1990	65264979.79107387
1991	70972909.62294947
1992	52819462.771566324
1993	43429533.74139184
1994	43634260.53676307
1995	42302996.81505586
1996	46104423.86844077
1997	65396328.325904004
1998	60613371.83358267
1999	71572344.21578023
2000	61282158.86388262
2001	61756425.85462322
2002	64386046.52046011
2003	80587966.32880984
2004	82455561.94175959
2005	93151777.21800174
2006	93629774.78401794
2007	114128360.94031763
2008	125544429.9827127
2009	139565230.11063156
2010	142398798.49699044
2011	169410856.3154813
2012	148746463.68679044
2013	155035441.88445604
2014	182744840.35252842
2015	175074343.67443794
2016	189572959.0749828
2017	229236980.36748907
2018	240953917.47011554
2019	220077788.50198877
2020	266140939.26762518
2021	329098115.26657206
2022	335906599.3909087
2023	373398112.9128184