Year	current US$
1977	189999.99761581398
1980	560000.002384186
1981	349999.99403953605
1982	409999.99642372096
1983	519999.980926514
1984	660000.026226044
1985	280000.001192093
1986	230000.004172325
1987	109999.999403954
1988	620000.004768372
1989	740000.009536743
1990	449999.988079071
1991	119999.997317791
1992	79999.9982118607
1993	19999.9995529652
1994	50000.0007450581
1995	140000.000596046
1996	140000.000596046
1997	59999.9986588955
1998	680000.007152557
1999	920000.016689301
2000	740000.009536743
2001	819999.992847443
2002	529999.971389771
2003	560000.002384186
2004	860000.014305115
2005	779999.971389771
2006	2250000
2007	3660000.08583069
2008	3690000.05722046
2009	2589999.91416931
2010	2500000
2011	2480000.01907349
2012	2414962.05329895
2013	2745527.0290374802
2014	2079297.7809906001
2015	1752143.7406539898
2016	1446680.4265976
2017	1783107.51914978
2018	1364030.00354767
2019	2182757.13920593
2020	2316400.0511169396
2021	2026818.2754516602
2022	2795870.06568909