Year	current US$
1977	59999.9986588955
1980	180000.00715255702
1981	59999.9986588955
1982	29999.999329447703
1983	50000.0007450581
1984	159999.99642372102
1985	180000.00715255702
1986	209999.993443489
1987	360000.01430511504
1988	769999.980926514
1989	2529999.97138977
1990	3029999.97138977
1991	3200000.04768372
1992	2599999.90463257
1993	2119999.8855590797
1994	4480000.01907349
1995	4619999.88555908
1996	2849999.90463257
1997	3019999.98092651
1998	6039999.96185303
1999	4059999.94277954
2000	2619999.8855590797
2001	4829999.92370605
2002	5369999.88555908
2003	6219999.79019165
2004	3829999.92370605
2005	3430000.0667572
2006	3619999.8855590797
2007	4289999.96185303
2008	6429999.82833862
2009	7230000.01907349
2010	6780000.20980835
2011	6219999.79019165
2012	6677663.803100591
2013	6467065.81115723
2014	6324778.0799865695
2015	5697184.08584595
2016	4192166.3284301804
2017	3002966.1655425997
2018	2836220.02601624
2019	4261070.728302
2020	4210810.18447876
2021	4565705.7762146
2022	6676849.8420715295