Year	current US$
1970	6999999.869614836
1971	8000000.08754432
1972	14219999.684020879
1973	13980000.173673026
1974	32460000.00834466
1975	34030000.02540653
1976	33850000.273436315
1977	54030000.36440793
1978	68609999.65295191
1979	90490000.0691414
1980	106420000.48048806
1981	87749998.98672107
1982	106670001.38759625
1983	103649999.11934131
1984	105039999.36953188
1985	111089999.26783153
1986	160590000.5791335
1987	167840001.4322252
1988	180009999.78743497
1989	178730000.21278864
1990	238709997.74709326
1991	245000001.48080295
1992	258949998.119846
1993	186420000.67234027
1994	234610000.88602313
1995	294190001.19715947
1996	314699999.2020427
1997	289260001.2030452
1998	264880002.0031632
1999	239230001.02303934
2000	217829998.94768
2001	236149998.64622968
2002	243369997.68018714
2003	274959999.2670118
2004	283070003.8559735
2005	451230002.5690348
2006	377749999.6516852
2007	613510002.4454293
2008	495120000.82619506
2009	416940001.1785324
2010	592530000.776052
2011	533550003.80985427
2012	433169997.1575289
2013	636469993.1629008
2014	575509995.1867009
2015	482439996.54613435
2016	533769999.7723105
2017	558730002.5410948
2018	548359998.3304744
2019	574259997.1760064
2020	535169998.9307667
2021	570680001.3538449
2022	584040000.0996889