Year	current US$
1973	70000.0002980232
1990	39999.9991059303
1991	9999.99977648258
1992	29999.999329447703
1994	140000.000596046
1995	59999.9986588955
1996	150000.005960464
1997	180000.00715255702
1998	59999.9986588955
1999	209999.993443489
2000	270000.010728836
2001	180000.00715255702
2002	790000.021457672
2003	1279999.97138977
2004	800000.011920929
2005	1210000.03814697
2006	159999.99642372102
2007	59999.9986588955
2008	340000.00357627904
2009	400000.00596046395
2011	189999.99761581398
2012	19999.9995529652
2013	39999.9991059303
2014	209999.993443489
2015	239999.994635582
2016	479999.989271164
2017	740000.009536743
2018	1429999.94754791
2019	4449999.80926514
2020	2740000.00953674
2021	3559999.94277954
2022	1870000.00476837