Year	current US$
1962	600000
1963	1760000
1964	7133000
1965	10163000
1966	6423000
1967	4753000
1968	4697251.47394066
1969	1196210.62112778
1970	1388412.39131575
1971	210643.188787423
1972	1718494.97339513
1973	1782983.55184932
1974	1743214.00246234
1975	3828943.42404235
1976	18828693.5356935
1977	25350849.6377115
1978	24133787.534211
1979	44109233.1867309
1980	54977856.5106728
1981	69274239.525873
1982	46369871.9311706
1983	46791920.7951517
1984	52675756.8305507
1985	49623526.2512816
1986	65354561.8505149
1987	96726830.8073462
1988	108473754.27375
1989	113064472.061588
1990	118625894.284403
1991	102976440.375109
1992	100122524.263413
1993	111980375.16455
1994	210012402.451393
1995	233643036.950278
1996	232235422.396851
1997	178557487.579438
1998	145701793.058766
1999	136278090.955047
2000	133258424.942756
2001	118751467.687419
2002	123238811.133007
2003	132411282.220033
2004	148322507.517304
2005	139216011.427183
2006	125347018.91154
2007	82591571.6209709
2008	121789662.48142
2009	210590013.326623
2010	181175454.945794
2011	154510967.212474
2012	157902473.531176
2013	193663724.475369
2014	259571697.529109
2015	213800567.288047
2016	239797985.500412
2017	362717270.49893
2018	361797180.317651
2019	350305401.8215
2020	432524260.923722
2021	483872115.778418
2022	374404781.268039