Year	current US$
1960	4078384.502470137
1961	4485034.830491916
1962	5713961.044594169
1963	6530176.428919228
1964	8162358.426320567
1965	8569297.299748315
1966	10175903.227518499
1967	10569065.391124647
1968	25346295.94638402
1969	20321431.51061053
1970	19788624.54082784
1971	22047017.041623253
1972	25181682.165344518
1973	35191369.51567542
1974	2633858.3512638817
1975	26372169.85071827
1976	27633897.672544673
1977	33917619.32682697
1978	38468472.74429301
1979	29464981.005882036
1980	46857343.57969469
1981	40849036.34618993
1982	42909502.39464859
1983	35953643.215791605
1984	42795991.12466681
1985	70328521.60573049
1986	76521941.13329352
1987	77871723.30799472
1988	81894396.01785903
1989	85681156.52690277
1990	117197307.20375049
1991	87548369.82741179
1992	88495374.28626284
1993	70510729.45623934
1994	42285305.16607878
1995	58675679.16561957
1996	30465005.121762395
1997	57566837.68563412
1998	71870281.26154888
1999	66103718.520946346
2000	45775323.64157042
2001	41676810.688697785
2002	50604484.14947118
2003	53285285.66360631
2004	70732618.80720942
2005	66967169.1864658
2006	69537170.96093823
2007	96942606.1203653
2008	113004249.70140305
2009	129068358.2449334
2010	143493984.17235485
2011	117560024.46148247
2012	140301852.4470849
2013	66209809.4652528
2014	89791072.06367953
2015	71478626.25681673
2016	86904340.24996541
2017	95183600.29397747
2018	-1250221312.9604654
2019	-1246889392.0585854
2020	-1367206121.8722649
2021	-1760719129.198759
2022	-205437041.05052468
2023	286215003.88457704