Year	current US$
1967	349999.99403953605
1968	829999.983310699
1974	1000000
1975	1000000
1976	1000000
1977	1000000
1978	1000000
1981	1000000
1982	1000000
1983	1000000
1984	1000000
1985	1000000
1987	1000000
1989	1000000
1990	1000000
1994	1000000
1995	1000000
1996	1000000
1997	1000000
1998	680000.007152557
1999	660000.026226044
2000	610000.014305115
2001	1149999.97615814
2002	1419999.95708466
2003	1210000.03814697
2004	1289999.96185303
2005	839999.973773956
2006	750000
2007	1019999.98092651
2008	829999.983310699
2009	1480000.01907349
2010	1480000.01907349
2011	1100000.02384186
2012	730000.019073486
2013	1299999.95231628
2014	839999.973773956
2015	860000.014305115
2016	1409999.9666214
2017	1240000.0095367401
2018	1830000.04291534
2019	1230000.01907349
2020	920000.016689301
2021	779999.971389771
2022	959999.978542328