Year	current US$
1971	290000.0046938654
1972	979999.9985843892
1973	1350000.0238418574
1974	1029999.9900162225
1975	1430000.0369548798
1976	3199999.880045649
1977	3400000.0022351774
1978	2450000.034645197
1979	4130000.079050661
1980	6680000.042542819
1981	8559999.948367475
1982	14999999.79138375
1983	17310000.18678605
1984	16440000.349655733
1985	26660000.437870584
1986	42100000.49881634
1987	54530000.23216014
1988	69609999.80755149
1989	87909997.76311226
1990	98630000.88930123
1991	97930000.01646581
1992	57919999.29957087
1993	32060000.104829665
1994	25959999.96922914
1995	37630000.6471574
1996	39319999.35209746
1997	29090000.45992434
1998	32209999.401122324
1999	38689999.96595084
2000	42550000.32484527
2001	42110000.63084068
2002	50980000.34131104
2003	70119999.25971033
2004	90770000.71480866
2005	241169999.49328643
2006	111280000.4445016
2007	129499999.92921948
2008	152610001.45040455
2009	176810000.9933114
2010	195339997.59703863
2011	176329999.03336164
2012	192950001.90474102
2013	193249999.1636722
2014	245379997.7283926
2015	183520000.4447252
2016	169070001.1067094
2017	137029999.1630018
2018	122520001.07243659
2019	158939999.802038
2020	204479999.4602799
2021	197069998.914376
2022	216230000.07681543