Year	current US$
1970	500000
1971	19999.9995529652
1972	109999.999403954
1973	829999.983310699
1974	1000000
1975	419999.986886978
1976	460000.00834465
1977	1269999.98092651
1978	1639999.98569489
1979	3099999.90463257
1980	1899999.97615814
1981	2329999.92370605
1982	2089999.9141693101
1983	1889999.98569489
1984	1429999.94754791
1985	1690000.0572204601
1986	1190000.0572204601
1987	1370000.00476837
1988	3349999.90463257
1989	3190000.05722046
1990	3890000.10490417
1991	5739999.771118159
1992	7139999.8664856
1993	6489999.771118159
1994	5170000.07629395
1995	7829999.92370605
1996	4699999.80926514
1997	7309999.94277954
1998	8100000.38146973
1999	2460000.03814697
2000	4670000.07629395
2001	12000000
2002	135029998.779297
2003	220550003.05175802
2004	58750000
2005	46229999.5422363
2006	29879999.1607666
2007	50740001.6784668
2008	47790000.9155273
2009	43360000.6103516
2010	422160003.66210896
2011	18280000.6866455
2012	22159999.8474121
2013	11479999.5422363
2014	9939999.5803833
2015	7090000.15258789
2016	13289999.961853001
2017	22280000.6866455
2018	24430000.3051758
2019	17270000.4577637
2020	16350000.381469702
2021	25450000.762939498
2022	16610000.610351602