Year	current US$
1970	0
1971	79999.9982118607
1972	1570000.0450015098
1973	5360000.1912564
1974	1799999.99515712
1975	3949999.92847443
1976	799999.993294477
1977	1970000.019297
1978	199999.984353781
1979	860000.003129244
1980	3009999.96438622
1981	4579999.84547496
1982	2719999.98949468
1983	6269999.91759658
1984	4169999.9719858197
1985	9840000.178664919
1986	7299999.83496964
1987	17229999.8309463
1988	22950000.0290573
1989	28400000.5535781
1990	42199999.516829796
1991	89899999.5626509
1992	51479999.249800995
1993	61920000.599697195
1994	49720000.103116
1995	60099999.923259
1996	71259999.5527416
1997	65649999.84391029
1998	68599999.9251217
1999	85099999.26202
2000	61639999.5367974
2001	61480000.2966076
2002	60890000.5798787
2003	74430000.3312528
2004	120569998.612627
2005	215320001.034066
2006	65920000.02227719
2007	64130000.002682194
2008	92919999.2865324
2009	81480000.4903227
2010	65449999.81857841
2011	73380000.2168864
2012	63550000.1590699
2013	66300000.028684705
2014	91019998.4572828
2015	59749999.7038394
2016	47610001.2455136
2017	51849999.561905906
2018	49199999.5931983
2019	36520000.1746416
2020	32990000.225603603
2021	30939999.459311403
2022	24689999.904483546