Year	current US$
1979	59999.9986588955
1981	150000.005960464
1982	100000.00149011599
1983	59999.9986588955
1984	79999.9982118607
1985	140000.000596046
1986	289999.99165535
1987	5630000.11444092
1988	11289999.961853001
1989	7869999.88555908
1990	8390000.34332275
1991	19770000.4577637
1992	7670000.07629395
1993	10250000
1994	7269999.98092651
1995	10140000.3433228
1996	8779999.73297119
1997	4070000.1716613797
1998	4320000.17166138
1999	6119999.88555908
2000	9899999.61853027
2001	3799999.95231628
2002	10689999.5803833
2003	12479999.5422363
2004	7230000.01907349
2005	5489999.771118159
2006	1200000.04768372
2007	2990000.00953674
2008	3380000.1144409203
2009	3890000.10490417
2010	8079999.923706049
2011	10750000
2012	9789999.96185303
2013	12010000.2288818
2014	18100000.3814697
2015	13619999.8855591
2016	9840000.15258789
2017	8119999.88555908
2018	6389999.8664856
2019	5039999.96185303
2020	4349999.90463257
2021	2660000.08583069
2022	2990000.00953674