Year	current US$
1970	79999.9982118607
1971	90000.0035762787
1972	1080000.04291534
1973	100000.00149011599
1974	310000.002384186
1975	70000.0002980232
1977	769999.980926514
1978	3630000.1144409203
1979	2549999.95231628
1980	4590000.15258789
1981	6940000.05722046
1982	6719999.79019165
1983	5500000
1984	7489999.771118159
1985	7469999.79019165
1986	6130000.11444092
1987	7309999.94277954
1988	13920000.076293899
1989	12050000.1907349
1990	14199999.8092651
1991	10090000.1525879
1992	19870000.8392334
1993	17549999.237060502
1994	30600000.3814697
1995	21409999.8474121
1996	23250000
1997	18770000.4577637
1998	12850000.3814697
1999	1399999.97615814
2000	10229999.5422363
2001	7659999.84741211
2002	13029999.7329712
2003	22889999.3896484
2004	14149999.6185303
2005	6170000.07629395
2006	4030000.2098083496
2007	18000000
2008	25989999.7711182
2009	16059999.465942401
2010	74290000.9155273
2011	53430000.3051758
2012	46459999.0844727
2013	47880001.0681152
2014	9010000.22888184
2015	7869999.88555908
2016	11770000.4577637
2017	9949999.80926514
2018	12109999.6566772
2019	8390000.34332275
2020	19020000.4577637
2021	22620000.8392334
2022	12949999.8092651