Year	current US$
1961	1639999.98569489
1967	320000.0021606686
1974	9999.99977648258
1975	250000.00372529007
1976	450000.0067055222
1978	9999.99977648258
1979	460000.00089407
1980	499999.9981373547
1981	250000.00372529007
1982	230000.00417232473
1983	450000.010430813
1988	19999.9995529652
1990	100000.00149011599
1991	940000.0274181371
1992	129999.995231628
1993	419999.9887496236
1994	230000.0060349698
1995	19999.9995529652
1996	80000.0000745059
1997	430000.0034272674
1998	1670000.0334531057
1999	149739994.08259994
2000	229820001.92999852
2001	181770000.5788357
2002	209499999.77648264
2003	162939998.71611595
2004	153429999.60482118
2005	170399998.52329502
2006	199840001.4992804
2007	267139998.60733742
2008	257660008.84026298
2009	193279998.42725685
2010	272540002.09458125
2011	261330004.8913807
2012	244720001.29520938
2013	218849998.82988617
2014	206040000.16115603
2015	160140000.4122405
2016	181220000.1031162
2017	191389997.9162963
2018	172719999.02836972
2019	195229998.210445
2020	217729999.40067524
2021	225150003.35499635
2022	182350003.3896416