Year	current US$
1970	769999.939948322
1971	20659999.400377225
1972	35479999.82535838
1973	19559999.492019378
1974	-710000.0008940697
1975	9759999.640285973
1976	5219999.805092816
1977	4190000.1745671025
1978	6569999.992847439
1979	-440000.0087916845
1980	509999.9979138444
1981	7650000.1326203365
1982	2880000.1908093663
1983	9930000.305175785
1984	39710000.604391016
1985	41710000.0157952
1986	154550000.54836273
1987	96389998.93143767
1988	133999998.37949875
1989	195179995.5368041
1990	113820001.12533571
1991	52170000.195503235
1992	50119999.170303345
1993	66669998.88420096
1994	34989999.37251205
1995	43960000.86702409
1996	77200000.10728829
1997	40120000.34749511
1998	7410000.234842294
1999	76820003.76284125
2000	34099999.25829474
2001	10040000.306442369
2002	48660001.039504975
2003	-3130000.265315174
2004	2430000.128224495
2005	582449996.8290334
2006	840069980.6809424
2007	46830000.18075108
2008	7530000.098049654
2009	51239998.9496917
2010	124989999.04841188
2011	62520001.63495537
2012	43730000.00417232
2013	24459999.36945736
2014	15010000.038892034
2015	18230000.246316165
2016	23940000.377595425
2017	37600000.509992324
2018	42449999.33987856
2019	37410000.484436706
2020	25600000.336766254
2021	31680000.08910896
2022	59789999.75323681