Year	current US$
1960	0
1961	60000.0005215406
1962	0
1963	0
1964	0
1965	150000.005960464
1966	160000.005736947
1967	120000.002905726
1968	629999.995231628
1969	1030000.00491738
1970	2099999.96609986
1971	5679999.90656972
1972	8079999.94233251
1973	4390000.02481043
1974	13930000.1058728
1975	15880000.4161894
1976	18940000.3477931
1977	14439999.4537234
1978	43259998.8821894
1979	39049999.717623
1980	29159999.711439
1981	24019999.9623001
1982	15669999.8490512
1983	10400000.1735985
1984	7680000.13194978
1985	20659999.6164441
1986	32359999.075532
1987	33000000.5755574
1988	26459999.4421005
1989	23389999.6206164
1990	22570000.3132224
1991	19520000.1001358
1992	35919999.787583895
1993	27640000.1235306
1994	43080000.4787743
1995	56159998.9775568
1996	96200000.7517636
1997	105270002.66499801
1998	60329999.592155196
1999	95069998.1860816
2000	66459998.7268448
2001	116530001.118779
2002	106949998.6507
2003	86070002.047345
2004	137550001.12205702
2005	153190001.830459
2006	123569999.165833
2007	103470000.207424
2008	139759996.324778
2009	128770001.99258299
2010	119150001.347065
2011	124709998.823702
2012	90160003.900528
2013	74199998.9040196
2014	58309999.9278784
2015	25590000.1581758
2016	22459999.714046698
2017	42560000.4866719
2018	44469999.451190196
2019	34179999.396204896
2020	30619999.5391071
2021	32800000.814721003
2022	24120000.578463048