Year	current US$
1975	649999.976158142
1976	79999.9982118607
1977	800000.011920929
1978	1799999.95231628
1979	2400000.09536743
1980	3349999.90463257
1981	4059999.94277954
1982	5210000.03814697
1983	4010000.2288818406
1984	4429999.82833862
1985	6159999.84741211
1986	5760000.228881841
1987	4849999.90463257
1988	3980000.01907349
1989	4010000.2288818406
1990	6440000.05722046
1991	5070000.17166138
1992	4869999.88555908
1993	6519999.98092651
1994	4980000.01907349
1995	8609999.65667725
1996	5769999.98092651
1997	5400000.09536743
1998	5130000.11444092
1999	6929999.82833862
2000	4320000.17166138
2001	2619999.8855590797
2002	3119999.8855590797
2003	3849999.90463257
2004	4679999.82833862
2005	4130000.11444092
2006	4429999.82833862
2007	5969999.79019165
2008	8720000.26702881
2009	3890000.10490417
2010	2970000.02861023
2011	1750000
2012	4920000.07629395
2013	8560000.4196167
2014	7710000.03814697
2015	6809999.94277954
2016	4190000.05722046
2017	25280000.6866455
2018	2940000.05722046
2019	2410000.08583069
2020	3980000.01907349
2021	1190000.0572204601
2022	-509999.99046325695