Year	current US$
1977	620000.004768372
1980	109999.999403954
1981	70000.0002980232
1982	39999.9991059303
1983	270000.010728836
1984	519999.980926514
1985	200000.00298023198
1986	79999.9982118607
1987	59999.9986588955
1988	129999.995231628
1989	259999.990463257
1990	379999.99523162795
1991	219999.998807907
1992	170000.00178813902
1993	270000.010728836
1994	550000.011920929
1995	330000.013113022
1996	250000
1997	259999.990463257
1998	180000.00715255702
1999	150000.005960464
2000	159999.99642372102
2001	239999.994635582
2002	349999.99403953605
2003	310000.002384186
2004	310000.002384186
2005	379999.99523162795
2006	460000.00834465
2007	529999.971389771
2008	610000.014305115
2009	629999.995231628
2010	680000.007152557
2011	649999.976158142
2012	761137.008666992
2013	682886.004447937
2014	575575.470924377
2015	508176.267147064
2016	416823.595762253
2017	365928.35187912
2018	404150.009155273
2019	776531.81552887
2020	730589.985847473
2021	638683.080673218
2022	768869.996070862