Year	current US$
1978	170000.00178813902
1979	90000.0035762787
1980	29999.999329447703
1981	189999.99761581398
1982	100000.00149011599
1983	109999.999403954
1984	200000.00298023198
1985	209999.993443489
1986	460000.00834465
1987	430000.00715255697
1988	899999.976158142
1989	2150000.09536743
1990	2150000.09536743
1991	3279999.97138977
1992	3029999.97138977
1993	4840000.15258789
1994	25139999.3896484
1995	21530000.6866455
1996	16159999.847412098
1997	5400000.09536743
1998	10609999.6566772
1999	3559999.94277954
2000	8270000.45776367
2001	7860000.1335144
2002	10229999.5422363
2003	13779999.7329712
2004	15079999.923706101
2005	14050000.1907349
2006	12619999.8855591
2007	10039999.961853001
2008	9550000.19073486
2009	4440000.05722046
2010	16680000.3051758
2011	689999.997615814
2012	560000.002384186
2013	560000.002384186
2014	1509999.9904632599
2015	1980000.01907349
2016	529999.971389771
2017	680000.007152557
2018	600000.023841858
2019	1409999.9666214
2020	1299999.95231628
2021	2019999.9809265102
2022	409999.99642372096