Year	current US$
1977	119999.997317791
1980	219999.998807907
1981	349999.99403953605
1982	379999.99523162795
1983	490000.009536743
1984	439999.997615814
1985	319999.99284744303
1986	379999.99523162795
1987	340000.00357627904
1988	349999.99403953605
1989	300000.011920929
1990	759999.990463257
1991	569999.992847443
1992	319999.99284744303
1993	209999.993443489
1994	349999.99403953605
1995	509999.99046325695
1996	1049999.95231628
1997	259999.990463257
1998	660000.026226044
1999	270000.010728836
2000	239999.994635582
2001	270000.010728836
2002	709999.978542328
2003	660000.026226044
2004	879999.995231628
2005	600000.023841858
2006	1179999.94754791
2007	1429999.94754791
2008	2019999.9809265102
2009	2289999.96185303
2010	2289999.96185303
2011	2000000
2012	1720651.9842147802
2013	2287472.0096588098
2014	2133023.73886108
2015	1708380.46073914
2016	1188286.66210175
2017	725719.749927521
2018	989610.016345978
2019	1984363.19828033
2020	2155760.04981995
2021	2351037.26387024
2022	2764970.06416321