Year	current US$
1964	9999.99977648258
1967	219999.998807907
1971	-9999.99977648258
1976	29999.999329447703
1977	9999.99977648258
1978	250000
1979	39999.9991059303
1980	59999.9986588955
1981	119999.997317791
1982	29999.999329447703
1983	29999.999329447703
1984	50000.0007450581
1985	39999.9991059303
1986	70000.0002980232
1987	119999.997317791
1988	7670000.07629395
1989	4829999.92370605
1990	7769999.98092651
1991	1980000.01907349
1992	5119999.88555908
1993	7159999.84741211
1994	21729999.5422363
1995	17430000.3051758
1996	15159999.8474121
1997	11100000.3814697
1998	12779999.7329712
1999	4619999.88555908
2000	4519999.98092651
2001	1830000.04291534
2002	5380000.11444092
2003	5420000.07629395
2004	8130000.11444092
2005	8420000.07629395
2006	10300000.1907349
2007	10260000.2288818
2008	14229999.5422363
2009	11189999.5803833
2010	13069999.6948242
2011	13069999.6948242
2012	8189999.580383301
2013	17430000.3051758
2014	10850000.3814697
2015	9560000.4196167
2016	10649999.6185303
2017	13159999.8474121
2018	6989999.771118159
2019	13760000.2288818
2020	11409999.8474121
2021	15109999.6566772
2022	12140000.3433228
