Year	current US$
1975	9999.99977648258
1976	839999.973773956
1978	29999.999329447703
1979	9999.99977648258
1985	280000.001192093
1986	230000.004172325
1987	5829999.92370605
1988	3910000.08583069
1989	7239999.771118159
1990	10600000.3814697
1991	11409999.8474121
1992	7699999.80926514
1993	16190000.534057599
1994	17690000.5340576
1995	19430000.3051758
1996	30430000.3051758
1997	26930000.3051758
1998	33040000.915527303
1999	36450000.762939505
2000	20879999.1607666
2001	20270000.4577637
2002	32090000.152587898
2003	25090000.1525879
2004	23260000.2288818
2005	29989999.7711182
2006	31649999.6185303
2007	30760000.2288818
2008	39049999.237060495
2009	27950000.762939498
2010	37430000.3051758
2011	41369998.9318848
2012	31500000
2013	25129999.1607666
2014	21049999.237060502
2015	24229999.5422363
2016	17510000.2288818
2017	42740001.6784668
2018	21420000.0762939
2019	43099998.4741211
2020	32340000.152587898
2021	41310001.373291
2022	24610000.6103516