Year	current US$
1967	119999.997317791
1968	140000.000596046
1969	129999.995231628
1970	170000.00178813902
1971	330000.013113022
1972	409999.99642372096
1973	899999.976158142
1974	1039999.96185303
1975	1539999.96185303
1976	1950000.04768372
1977	2069999.9332428002
1978	2230000.01907349
1979	3410000.08583069
1980	4119999.88555908
1981	5130000.11444092
1982	2890000.10490417
1983	2299999.95231628
1984	1860000.01430511
1985	1429999.94754791
1986	1519999.98092651
1987	1950000.04768372
1988	1950000.04768372
1989	1110000.01430511
1990	2269999.98092651
1991	30430000.3051758
1992	14039999.961853001
1993	4550000.19073486
1994	1409999.9666214
1995	6590000.15258789
1996	11689999.5803833
1997	4449999.80926514
1998	3900000.09536743
1999	5489999.771118159
2000	1100000.02384186
2001	5710000.03814697
2002	1309999.9427795399
2003	4159999.8474121103
2004	11319999.6948242
2005	14510000.2288818
2006	13180000.3051758
2007	12960000.038146999
2008	10319999.6948242
2009	11060000.4196167
2010	10279999.7329712
2011	6969999.79019165
2012	6559999.94277954
2013	7619999.88555908
2014	6820000.17166138
2015	-319999.99284744303
2016	2980000.01907349
2017	3160000.08583069
2018	5300000.19073486
2019	8569999.69482422
2020	1000000
2021	119999.997317791
2022	19999.9995529652