Year	current US$
1965	300000.011920929
1966	3200000.04768372
1967	9000000
1968	14899999.6185303
1969	1200000.04768372
1970	4500000
1971	-200000.00298023198
1972	660000.026226044
1973	-1899999.97615814
1974	2890000.10490417
1975	490000.009536743
1976	1500000
1977	-600000.023841858
1978	-2900000.09536743
1979	19000000
1980	15000000
1981	46740001.6784668
1982	17290000.915527303
1983	16500000
1984	8609999.65667725
1985	27940000.5340576
1986	86269996.6430664
1987	37990001.6784668
1988	35139999.3896484
1989	12359999.6566772
1990	51069999.6948242
1991	77690002.44140631
1992	35110000.6103516
1993	51979999.5422363
1994	35770000.4577637
1995	27129999.1607666
1996	6469999.79019165
1997	10340000.1525879
1998	10829999.923706101
1999	12170000.076293899
2000	-11189999.5803833
2001	-2700000.04768372
2002	-230000.004172325
2003	5340000.15258789
2004	18709999.084472697
2005	19430000.3051758
2006	22239999.7711182
2007	16030000.6866455
2008	10770000.4577637
2009	13119999.8855591
2010	205820007.32421902
2011	430920013.42773396
2012	82660003.6621094
2013	262920013.427734
2014	219910003.66210902
2015	-9859999.65667725
2016	147490005.493164
2017	188839996.33789098
2018	18440000.5340576
2019	49029998.779296905
2020	245539993.28613302
2021	352660003.66210896
2022	286010009.765625