Year	current US$
1977	50000.0007450581
1980	340000.00357627904
1981	180000.00715255702
1982	29999.999329447703
1984	9999.99977648258
1985	39999.9991059303
1986	129999.995231628
1987	170000.00178813902
1988	180000.00715255702
1989	330000.013113022
1990	300000.011920929
1991	519999.980926514
1992	340000.00357627904
1993	259999.990463257
1994	59999.9986588955
1995	509999.99046325695
1996	469999.998807907
1997	430000.00715255697
1998	349999.99403953605
1999	460000.00834465
2000	159999.99642372102
2001	180000.00715255702
2002	250000
2003	200000.00298023198
2004	219999.998807907
2005	140000.000596046
2006	319999.99284744303
2007	370000.00476837205
2008	959999.978542328
2009	970000.028610229
2010	1220000.02861023
2011	1129999.99523163
2012	963092.982769012
2013	871460.974216461
2014	1069660.18676758
2015	818766.891956329
2016	620631.6947937009
2017	475695.759057999
2018	499009.996652603
2019	1095808.98284912
2020	1151859.9987030001
2021	1014898.53858948
2022	1854750.0371933