Year	current US$
1974	70000.0002980232
1981	200000.00298023198
1982	90000.0035762787
1983	250000
1984	959999.978542328
1985	29999.999329447703
1988	519999.980926514
1990	109999.999403954
1991	1139999.98569489
1992	479999.989271164
1993	709999.978542328
1994	180000.00715255702
1995	910000.026226044
1996	790000.021457672
1997	1440000.0572204601
1998	1929999.94754791
1999	629999.995231628
2000	1240000.0095367401
2001	5989999.771118159
2002	7539999.96185303
2003	10670000.076293899
2004	12220000.2670288
2005	15210000.038146999
2006	15029999.7329712
2007	21110000.6103516
2008	22989999.7711182
2009	24520000.4577637
2010	34880001.0681152
2011	37639999.3896484
2012	33709999.0844727
2013	27549999.237060502
2014	19659999.8474121
2015	12659999.8474121
2016	12270000.4577637
2017	14699999.8092651
2018	27860000.6103516
2019	44619998.9318848
2020	41750000
2021	53540000.9155273
2022	47189998.626709