Year	current US$
1977	29999.999329447703
1981	2250000
1982	1429999.94754791
1983	759999.990463257
1984	250000
1987	159999.99642372102
1988	70000.0002980232
1990	19999.9995529652
1991	389999.98569488496
1992	340000.00357627904
1993	1259999.9904632599
1994	8779999.73297119
1995	16329999.923706101
1996	24489999.7711182
1997	11069999.6948242
1998	8800000.19073486
1999	4840000.15258789
2000	4269999.98092651
2001	2029999.97138977
2002	6090000.15258789
2003	7969999.79019165
2004	6239999.771118159
2005	4500000
2006	3980000.01907349
2007	7429999.82833862
2008	3759999.99046326
2009	3559999.94277954
2010	4360000.1335144
2011	3390000.10490417
2012	2369999.8855590797
2013	2220000.02861023
2014	2289999.96185303
2015	2200000.04768372
2016	2579999.92370605
2017	3079999.92370605
2018	3099999.90463257
2019	8720000.26702881
2020	3930000.0667572
2021	6150000.09536743
2022	7429999.82833862