Year	current US$
1965	169999.998062849
1966	249999.99627471
1967	229999.99858438998
1968	309999.99679625
1969	980000.0060349699
1970	429999.99783933203
1971	499999.986961484
1972	510000.00163912796
1973	899999.983608723
1974	1730000.032112
1975	3050000.0249594497
1976	799999.987706542
1977	3220000.02115965
1978	4049999.96349216
1979	2929999.99411404
1980	5070000.0077486
1981	15270000.0740588
1982	26350000.824779302
1983	18299999.708309803
1984	20089999.662712198
1985	13780000.2861768
1986	12729999.8998642
1987	21509999.3720651
1988	20540000.1462549
1989	32089999.685064
1990	28430000.1580268
1991	27979999.7322261
1992	30250000.0819564
1993	24920000.171288803
1994	42030000.0216812
1995	35210000.9173155
1996	35059999.6633828
1997	32739999.2141873
1998	23689999.8150766
1999	20290000.3120303
2000	25599999.6997416
2001	19410000.162199102
2002	26170000.3482401
2003	21530000.3476441
2004	40960000.503808305
2005	41370000.321417995
2006	46029999.6715039
2007	92959999.7308105
2008	167360002.66671202
2009	134849997.097626
2010	157409999.64624602
2011	346850000.679493
2012	416219991.266727
2013	299640000.551939
2014	240719997.74500698
2015	143299996.944144
2016	111789998.468012
2017	176639998.76007402
2018	137579999.903217
2019	136860001.584515
2020	77230000.9168684
2021	85690001.2418628
2022	106600002.1602959