Year	current US$
1981	910000.026226044
1982	879999.995231628
1983	9999.99977648258
1984	29999.999329447703
1985	70000.0002980232
1986	59999.9986588955
1987	200000.00298023198
1988	340000.00357627904
1989	2950000.04768372
1990	1029999.97138977
1991	460000.00834465
1992	3519999.98092651
1993	230000.004172325
1994	1309999.9427795399
1995	1450000.04768372
1996	4619999.88555908
1997	6739999.771118159
1998	1039999.96185303
1999	560000.002384186
2000	709999.978542328
2001	4539999.96185303
2002	8039999.961853029
2003	2279999.97138977
2004	709999.978542328
2005	1039999.96185303
2006	8279999.73297119
2007	2940000.05722046
2008	5760000.228881841
2009	8579999.92370605
2010	4539999.96185303
2011	14210000.038146999
2012	3950000.04768372
2013	7579999.92370605
2014	6699999.80926514
2015	13180000.3051758
2016	1850000.02384186
2017	1500000
2018	2059999.94277954
2019	3500000
2020	2039999.96185303
2021	3180000.0667572
2022	2549999.95231628