Year	current US$
1973	899999.976158142
1974	529999.971389771
1975	639999.985694885
1976	349999.99403953605
1977	259999.990463257
1978	550000.011920929
1979	270000.010728836
1980	1100000.02384186
1981	1419999.95708466
1982	1730000.01907349
1983	1210000.03814697
1984	2640000.10490417
1985	2079999.9237060498
1986	2299999.95231628
1987	1759999.9904632599
1988	1889999.98569489
1989	2700000.04768372
1990	2849999.90463257
1991	2920000.07629395
1992	2740000.00953674
1993	1639999.98569489
1994	1019999.98092651
1995	1429999.94754791
1996	1039999.96185303
1997	910000.026226044
1998	870000.004768372
1999	1169999.95708466
2000	920000.016689301
2001	980000.019073486
2002	259999.990463257
2003	500000
2004	490000.009536743
2005	800000.011920929
2006	589999.973773956
2007	769999.980926514
2008	560000.002384186
2009	409999.99642372096
2010	629999.995231628
2011	419999.986886978
2012	507333.87470245396
2013	597317.9936409
2014	602367.341518402
2015	510766.68500900303
2016	341973.48356246896
2017	320908.963680267
2018	108151.219785213
2019	459969.99740600603
2020	1274487.25700378
2021	2062018.63288879
2022	1417645.9312439