Year	current US$
1974	0
1975	0
1976	0
1977	9999.99977648258
1978	9999.99977648258
1979	49999.998882412896
1980	29999.999329447703
1981	59999.9986588955
1982	69999.9984353781
1983	249999.994412065
1984	119999.997317791
1985	149999.998509884
1986	170000.00178813902
1987	319999.998435378
1988	69999.9984353781
1989	29999.999329447703
1990	119999.997317791
1991	239999.99836087198
1992	1019999.9883770901
1993	839999.986812472
1994	2390000.06206334
1995	3160000.05975366
1996	2870000.04015863
1997	3570000.05617738
1998	2189999.93242323
1999	4110000.0068545295
2000	4510000.04820526
2001	4089999.9495595703
2002	5679999.97921288
2003	7060000.0359118
2004	9919999.95149672
2005	23959999.674931202
2006	30489999.7282773
2007	45709999.669343196
2008	57720000.397414
2009	40909999.653697
2010	30579999.5418638
2011	28369999.4962662
2012	28269999.012351
2013	25869999.3044138
2014	25949999.2057681
2015	16570000.4342943
2016	15440000.3105402
2017	14880000.2224743
2018	16679999.386891702
2019	19779999.6435642
2020	16690000.062808402
2021	16399999.5198101
2022	11060000.166296957