Year	current US$
1970	180000.00715255702
1971	29999.999329447783
1972	89999.9998509885
1973	179999.9997019767
1974	189999.9976158143
1975	1250000.046566133
1976	2210000.03814697
1977	3809999.970719218
1978	1250000.0093132227
1979	920000.016689301
1980	260000.00350177265
1984	29999.999329447783
1985	39999.9991059304
1986	749999.9888241289
1987	649999.9742954974
1988	120000.0029057264
1989	49999.99888241288
1990	1330000.0112503767
1991	2719999.983906745
1992	2850000.0033527617
1993	4110000.018030403
1994	66949998.715892464
1995	40610001.46344303
1996	57910000.51796439
1997	54360000.45947731
1998	46169999.14497131
1999	38619999.535381764
2000	40940000.571310505
2001	37640000.33028425
2002	40719999.525696084
2003	39850001.10417604
2004	38540000.066161096
2005	34790000.289678596
2006	35649999.856948815
2007	32309999.46594239
2008	33779999.97138974
2009	25930000.12636182
2010	28749999.642372087
2011	28310000.181198142
2012	34590000.15258791
2013	26840000.39100647
2014	39059999.70436104
2015	53149999.14169306
2016	22010000.169277173
2017	32240000.553429123
2018	29429999.2024898
2019	32990000.303834647
2020	30249999.105930284
2021	23999999.970197678
2022	554219982.8624723