Year	current US$
1977	170000.00178813902
1980	620000.004768372
1981	740000.009536743
1982	330000.013113022
1983	409999.99642372096
1984	419999.986886978
1985	250000
1986	230000.004172325
1987	159999.99642372102
1988	209999.993443489
1989	200000.00298023198
1990	509999.99046325695
1991	930000.007152557
1992	689999.997615814
1993	479999.989271164
1994	939999.997615814
1995	949999.988079071
1996	740000.009536743
1997	910000.026226044
1998	509999.99046325695
1999	500000
2000	349999.99403953605
2001	1009999.99046326
2002	1279999.97138977
2003	1730000.01907349
2004	709999.978542328
2005	810000.002384186
2006	730000.019073486
2007	1000000
2008	1429999.94754791
2009	1889999.98569489
2010	1429999.94754791
2011	1379999.99523163
2012	1461776.0181427
2013	1387881.04057312
2014	793736.934661865
2015	599676.966667175
2016	629839.00308609
2017	500888.466835022
2018	573409.974575043
2019	784552.8721809391
2020	951399.981975555
2021	907376.170158386
2022	927540.004253387