Year	current US$
1960	19999.9995529652
1961	310000.002384186
1962	869999.9731034037
1963	2030000.0384449933
1964	16590000.033378601
1965	15430000.165477386
1966	15009999.731555574
1967	19920000.430196494
1968	16529999.591410123
1969	18009999.96624891
1970	12550000.321120026
1971	10930000.012740493
1972	19730000.3040582
1973	21660000.54404139
1974	31920000.32775109
1975	48529999.27103512
1976	33460000.423714496
1977	34899999.814108014
1978	35559999.93532894
1979	62670001.30191442
1980	86129997.41174285
1981	86890001.01014972
1982	76789998.03215265
1983	76520001.25683841
1984	80299999.07314777
1985	71640000.10676679
1986	92229999.79183078
1987	115260001.98721878
1988	136830000.69484115
1989	122149999.07091251
1990	132769998.20396307
1991	112270003.40260561
1992	128509996.2316454
1993	128859997.50904743
1994	119460001.9138306
1995	130529999.33436507
1996	136380002.9996783
1997	77279999.21701856
1998	104099999.64945012
1999	97119999.23177052
2000	58959998.80880121
2001	63320000.357925996
2002	45499999.016523354
2003	37139999.98196958
2004	89270002.8996914
2005	71810001.49250035
2006	79170000.57920823
2007	147969998.15851456
2008	170380001.74239278
2009	153329998.88807538
2010	197590000.9833276
2011	173589998.05524948
2012	130450001.6793608
2013	150529998.89105564
2014	446100001.8399212
2015	400609997.43826705
2016	382990002.85565823
2017	342690002.5717914
2018	392560002.5132298
2019	422460000.37342304
2020	472869998.9449235
2021	410219995.329157
2022	391069999.0075086
