Year	current US$
1960	30098283.244248018
1961	33561926.43188251
1962	52517531.34560544
1963	72210787.27109115
1964	62940632.742202185
1965	53669099.70236219
1966	55074836.70616156
1967	57694903.586099334
1968	62299270.751426294
1969	38945522.17752835
1970	64014796.6193307
1971	53949343.5594285
1972	82220348.00970452
1973	141363973.2350762
1974	154486824.49315855
1975	150111399.2671463
1976	151264855.72362953
1977	254189550.88460365
1978	407989850.11955816
1979	544885790.7472734
1980	705226771.7053834
1981	440508475.8443477
1982	415390768.90298855
1983	226207501.4735766
1984	45999982.98229418
1985	183634099.16788533
1986	220902964.44960406
1987	260201291.24921578
1988	434449457.6279471
1989	298111359.4790836
1990	396361943.910279
1991	397265156.66441905
1992	287872508.7521695
1993	199380628.25738
1994	251610766.09481704
1995	277072317.76385486
1996	352848769.77321756
1997	312174697.25308806
1998	386634985.8850751
1999	284220454.3612172
2000	294615904.3212211
2001	337737218.5414571
2002	406924140.28311443
2003	472806193.1421644
2004	469948388.8163788
2005	847532991.5250676
2006	942163243.2367766
2007	1084040090.7568321
2008	1929744749.5077696
2009	2093318821.7263246
2010	2562665388.791433
2011	2773404231.421568
2012	2763428146.1020665
2013	3038070756.4579964
2014	3379470643.200375
2015	3133391991.847902
2016	2861878046.835584
2017	2909833072.981585
2018	3712391714.810431
2019	3953525849.1548443
2020	3915814875.8325005
2021	4110636736.3717074
2022	4571632305.563132
2023	4448128181.898381