Year	current US$
1964	19999.9995529652
1965	150000.005960464
1966	239999.994635582
1967	219999.998807907
1968	370000.00476837205
1969	189999.99761581398
1970	170000.00178813902
1971	259999.990463257
1972	209999.993443489
1973	389999.98569488496
1974	540000.021457672
1975	850000.023841858
1976	930000.007152557
1977	1409999.9666214
1978	1409999.9666214
1979	2740000.00953674
1980	12869999.8855591
1981	5389999.8664856
1982	6099999.90463257
1983	10300000.1907349
1984	4019999.98092651
1985	5690000.05722046
1986	5550000.19073486
1987	16290000.9155273
1988	15119999.8855591
1989	10739999.7711182
1990	12390000.3433228
1991	11079999.923706101
1992	12850000.3814697
1993	15479999.5422363
1994	4000000
1995	7860000.1335144
1996	6989999.771118159
1997	6719999.79019165
1998	8489999.77111816
1999	10829999.923706101
2000	9189999.5803833
2001	8159999.847412109
2002	7960000.03814697
2003	7460000.03814697
2004	10479999.5422363
2005	14729999.5422363
2006	23180000.3051758
2007	8720000.26702881
2008	8119999.88555908
2009	-2160000.08583069
2010	850000.023841858
2011	750000
2012	550000.011920929
2013	59999.9986588955
2014	430000.00715255697
2015	-349999.99403953605
2016	-140000.000596046
2017	319999.99284744303
2018	4750000
2019	9670000.07629395
2020	4820000.17166138
2021	2660000.08583069
2022	629999.995231628