Year	current US$
1969	529999.971389771
1970	109999.999403954
1971	119999.997317791
1972	-629999.995231628
1973	200000.00298023198
1974	5300000.19073486
1975	7239999.771118159
1976	1830000.04291534
1977	3660000.08583069
1978	13720000.2670288
1979	10220000.2670288
1980	24620000.8392334
1981	27809999.4659424
1982	29309999.4659424
1983	33080001.831054702
1984	27760000.2288818
1985	47090000.1525879
1986	30260000.2288818
1987	31079999.9237061
1988	40119998.9318848
1989	66019996.643066406
1990	88459999.0844727
1991	248800003.05175802
1992	146259994.506836
1993	101279998.77929701
1994	26290000.915527303
1995	63590000.1525879
1996	16610000.610351602
1997	22309999.4659424
1998	16129999.160766602
1999	19860000.6103516
2000	36020000.4577637
2001	27309999.4659424
2002	23530000.6866455
2003	15229999.5422363
2004	9829999.92370605
2005	14079999.923706101
2006	15970000.2670288
2007	12270000.4577637
2008	15930000.3051758
2009	16569999.6948242
2010	3720000.02861023
2011	28059999.4659424
2012	23435207.366943397
2013	18907915.1153564
2014	26490539.5507813
2015	23967273.7121582
2016	16280845.6420898
2017	12729060.1730347
2019	7503250.12207031
2020	14844142.9138184
2021	18917219.1619873
2022	11804299.3545532