Year	current US$
1970	11590000.161901126
1971	11929999.984800823
1972	17550000.138580803
1973	27609999.818727374
1974	41470000.246539675
1975	49979999.29077928
1976	50040000.10155143
1977	70609998.47017229
1978	94970000.30986969
1979	117109998.85201454
1980	143769996.61140135
1981	97439999.43323433
1982	105859999.55609442
1983	115590001.29066406
1984	103410001.36733058
1985	125960000.79624361
1986	175840002.07856295
1987	195799999.09922478
1988	254729998.6928701
1989	261340000.75608483
1990	293050000.69737434
1991	306839997.8131054
1992	306099996.0321933
1993	312940001.23068684
1994	309830002.36749655
1995	325520002.0447374
1996	399080000.34652644
1997	335489998.9664557
1998	400969998.1864542
1999	408819998.1320648
2000	371760000.35740453
2001	396869998.1030077
2002	370940001.16176915
2003	447880000.4404037
2004	491999996.719882
2005	553210008.8447331
2006	592019990.1591986
2007	716119994.9476867
2008	745640003.7985301
2009	799080002.8108056
2010	803310002.4387237
2011	823790002.3087854
2012	733760009.8922848
2013	639729996.0162492
2014	613689997.9524313
2015	384089999.83780074
2016	405229996.66444963
2017	472189999.23206854
2018	451770004.3469665
2019	512329997.1278758
2020	481210006.4810363
2021	627290002.8470906
2022	397829994.7679042