Year	current US$
1973	29999.999329447703
1974	39999.9991059303
1975	70000.0002980232
1976	29999.999329447703
1978	9999.99977648258
1979	59999.9986588955
1980	70000.0002980232
1981	19999.9995529652
1982	109999.999403954
1983	180000.00715255702
1984	259999.990463257
1985	259999.990463257
1986	310000.002384186
1988	270000.010728836
1989	310000.002384186
1990	5949999.80926514
1991	9649999.61853027
1992	8640000.34332275
1993	9500000
1994	6440000.05722046
1995	11210000.038146999
1996	12350000.3814697
1997	11909999.8474121
1998	9600000.38146973
1999	9640000.34332275
2000	7690000.05722046
2001	8069999.694824221
2002	6159999.84741211
2003	8180000.305175779
2004	10539999.961853001
2005	2289999.96185303
2006	819999.992847443
2007	1460000.03814697
2008	2289999.96185303
2009	2089999.9141693101
2010	519999.980926514
2015	6515246.39129639
2018	5265388.96560669
2019	4022581.10046387
2020	5139531.13555908
2021	12982110.0234985
2022	13535300.2548218