Year	current US$
1970	3660000.02622604
1971	4449999.98994172
1972	3800000.04917383
1973	4159999.9666214
1974	11089999.940246299
1975	12450000.0700355
1976	7850000.02384186
1977	12099999.9474734
1978	14680000.3014505
1979	17160000.089556
1980	13530000.2358854
1981	10670000.0334531
1982	23860000.3700703
1983	42289999.2316961
1984	26759999.666363
1985	19119999.855756797
1986	17440000.208094697
1987	17570000.1027435
1988	16200000.202283299
1989	28339999.6254593
1990	23710000.0753999
1991	50720000.0379235
1992	54590000.3910065
1993	79699998.3377755
1994	52360000.4501641
1995	54439999.1631508
1996	39879999.917000495
1997	29360000.193119
1998	28469999.670982398
1999	18139999.8441339
2000	20049999.810755298
2001	21119999.855756797
2002	18610000.073909797
2003	22309999.8421967
2004	18220000.0286102
2005	22100000.0182539
2006	27409999.9219179
2007	42170000.0166893
2008	27389999.7770786
2009	29210000.410676
2010	26459999.9189377
2011	29980000.0190735
2012	28643555.6183569
2013	49100267.3581243
2014	32567946.2552071
2015	46977976.2029648
2016	36275158.3456993
2017	37263729.5722961
2018	45172090.7092094
2019	47043999.3739128
2020	55221000.5521774
2021	43404999.9713898
2022	46325999.37915799