Year	current US$
1977	870000.004768372
1978	569999.992847443
1979	19999.9995529652
1980	19999.9995529652
1981	19999.9995529652
1982	310000.002384186
1983	200000.00298023198
1984	509999.99046325695
1985	419999.986886978
1986	219999.998807907
1987	349999.99403953605
1988	29999.999329447703
1989	469999.998807907
1990	449999.988079071
1991	230000.004172325
1992	300000.011920929
1993	289999.99165535
1994	430000.00715255697
1995	419999.986886978
1996	400000.00596046395
1997	109999.999403954
1998	209999.993443489
1999	239999.994635582
2000	79999.9982118607
2001	209999.993443489
2002	250000
2003	270000.010728836
2004	300000.011920929
2005	1289999.96185303
2006	370000.00476837205
2007	750000
2008	280000.001192093
2009	680000.007152557
2010	150000.005960464
2011	109999.999403954
2012	9999.99977648258
2013	1929999.94754791
2014	70000.0002980232
2016	19999.9995529652
2017	170000.00178813902
2018	189999.99761581398
2019	259999.990463257
2020	430000.00715255697
2021	200000.00298023198
2022	170000.00178813902