Year	current US$
1960	1530484473.788708
1961	1606131629.0117888
1962	1619287656.0071073
1963	1844036450.5104635
1964	2233235582.4552994
1965	2598315331.575385
1966	2575292284.3335776
1967	2479911088.617519
1968	2060014560.3502731
1969	2596122660.409498
1970	3211166922.440634
1971	3944615427.429635
1972	5431246477.900615
1973	7607472610.042869
1974	15001159781.411814
1975	13162605008.816067
1976	16630314457.66541
1977	18947967880.007336
1978	17447084466.95809
1979	27679184462.566986
1980	39058051477.93446
1981	29654781183.030632
1982	22615210404.95234
1983	20501475401.03785
1984	22386076268.117214
1985	22838862863.872757
1986	15974705779.065376
1987	19723077137.14818
1988	20472970675.88133
1989	25126915225.475216
1990	30240224384.322304
1991	29794015802.064423
1992	31178687643.321682
1993	29302405548.663586
1994	29617452915.303936
1995	35117279801.51122
1996	41788282771.324394
1997	40197043532.198044
1998	32686914401.71423
1999	36142433931.05523
2000	44797735235.51746
2001	40699119018.08202
2002	42251352392.76719
2003	53210000000
2004	72483000000
2005	90276000000
2006	103595000000
2007	117312000000
2008	147513000000
2009	110871000000
2010	145509000000
2011	193077000000
2012	182681000000
2013	162352000000
2014	176267000000
2015	115655000000
2016	94378000000
2017	110278999999.99998
2018	134085999999.99997
2019	135353999999.99997
2020	101759999999.99997
2021	129157999999.99995
2022	154641999999.99994
2023	147043999999.99994