Year	current US$
1973	50000.0007450581
1974	1850000.02384186
1975	2750000
1976	2720000.02861023
1977	3339999.91416931
1978	2589999.91416931
1979	2839999.91416931
1980	3849999.90463257
1981	6059999.94277954
1982	6150000.09536743
1983	7420000.07629395
1984	27469999.3133545
1985	34409999.8474121
1986	23940000.5340576
1987	19129999.1607666
1988	20030000.6866455
1989	14649999.6185303
1990	13800000.1907349
1991	16450000.7629395
1992	12930000.3051758
1993	7869999.88555908
1994	23610000.6103516
1995	10819999.6948242
1996	11850000.3814697
1997	8880000.11444092
1998	6260000.228881841
1999	10399999.6185303
2000	16870000.8392334
2001	11289999.961853001
2002	10220000.2670288
2003	10779999.7329712
2004	15600000.3814697
2005	52599998.4741211
2006	26809999.4659424
2007	17389999.3896484
2008	30969999.3133545
2009	43259998.3215332
2010	33849998.4741211
2011	12029999.7329712
2012	7659999.84741211
2013	12529999.7329712
2014	39709999.0844727
2015	24100000.3814697
2016	8579999.92370605
2017	5840000.15258789
2018	31739999.7711182
2019	14680000.3051758
2020	69599998.4741211
2021	68139999.3896484
2022	-93639999.3896484