Year	current US$
1970	27529999.908059828
1971	32280000.088736415
1972	26189999.82997776
1973	32080000.258982193
1974	52339999.73535536
1975	93570000.06735323
1976	66010000.05751845
1977	80449999.71240756
1978	110149999.69303608
1979	135769999.5785951
1980	126040002.45034696
1981	149440001.80065638
1982	154310001.4626979
1983	164140003.39619827
1984	199229998.6742436
1985	280460002.83584
1986	190449999.16292712
1987	189570002.69927078
1988	240339999.5658547
1989	277849998.23570246
1990	303689999.2320688
1991	540599998.3046201
1992	595339992.8212163
1993	495089991.360903
1994	448009998.2339889
1995	276350001.2978912
1996	79040000.11086467
1997	105129998.96891421
1998	71259999.14482231
1999	76710001.23023991
2000	91590000.7337332
2001	107699998.5463917
2002	100720000.66377217
2003	99829999.4580447
2004	73579999.45059423
2005	260009999.76694566
2006	136119999.05109408
2007	61359999.58217146
2008	98930000.7056446
2009	108399999.67813493
2010	105159998.32004315
2011	152939999.5803833
2012	196438310.7125758
2013	214807109.05790335
2014	186450245.63744658
2015	183771169.30484766
2016	200449111.64417845
2017	169632598.47089654
2018	106729219.52605249
2019	161766176.83423686
2020	190765958.05212864
2021	243985070.39248943
2022	236393146.12746224