Year	current US$
1970	840000.001713633
1971	1050000.0044703477
1972	1570000.030100345
1973	1080000.009387732
1974	3569999.9611824807
1975	1109999.9770522113
1976	2429999.9680370064
1977	400000.0339001417
1978	2710000.067949296
1979	1150000.0339001417
1980	1249999.970197678
1981	12030000.077560497
1982	1599999.977275728
1983	6670000.1247227155
1984	630000.0138580811
1985	4240000.067278744
1986	3400000.0357627915
1987	4809999.942779538
1988	5380000.12189151
1989	12229999.899864197
1990	16749999.901279796
1991	30070000.29832122
1992	65060000.494122505
1993	58830000.309273556
1994	65960000.53361058
1995	54659999.601542935
1996	37129999.32467935
1997	25179999.7575581
1998	33850000.5081296
1999	18350000.130012635
2000	22409999.791532747
2001	16910000.002011657
2002	26130000.20757317
2003	20029999.565333094
2004	15960000.135004519
2005	14789999.991655339
2006	14579999.8641014
2007	12760000.288486484
2008	9929999.828338623
2009	22830000.728368748
2010	17630000.233650178
2011	23020000.81539154
2012	23730000.779032752
2013	26779999.718070064
2014	30520000.532269455
2015	33539999.302476604
2016	36689999.97526408
2017	43209999.769926056
2018	46119999.155402124
2019	55040000.14066695
2020	47629999.3358552
2021	42579998.09086322
2022	39409998.1933832