Year	current US$
1976	39999.9991059303
1978	79999.9982118607
1979	79999.9982118607
1982	9999.99977648258
1987	9999.99977648258
1990	1129999.982193112
1991	349999.9996274711
1992	109999.9975413084
1993	189999.99947845924
1994	349999.9977648254
1995	589999.9868124721
1996	639999.9968707557
1997	489999.98904764664
1998	70000.00029802327
1999	1100000.0052154064
2000	569999.987259507
2001	460000.0046193605
2002	1139999.9726563687
2003	1870000.0159442455
2004	2939999.9957531677
2005	1790000.006556509
2006	2099999.9865889577
2007	4090000.09298325
2008	2480000.0786781325
2009	1909999.9479949446
2010	1970000.0137090685
2011	2009999.9886006163
2012	920000.0036507846
2013	2300000.008195637
2014	1349999.9921768918
2015	1290000.0195950267
2016	7500000.15646219
2017	16790000.485256284
2018	9769999.798387285
2019	8789999.812841408
2020	9250000.16391277
2021	6449999.988079075
2022	5910000.141710045