Year	current US$
1970	133583333.33333333
1971	146833333.33333334
1972	165538461.53846154
1973	162350000
1974	257999999.99999997
1975	295700000
1976	350300000
1977	406049999.99999994
1978	465699999.99999994
1979	588700000
1980	573059205.36552
1981	850748390.6370159
1982	420238738.42327034
1983	649467335.2766465
1984	699166055.7592506
1985	862209873.2071794
1986	746890075.1015632
1987	742845554.1838089
1988	819667475.9061576
1989	801028699.0340207
1990	825689314.9810286
1991	947390722.4694802
1992	967438701.0747551
1993	967591509.9424796
1994	996345733.6051354
1995	1123407415.554975
1996	1214987746.8464584
1997	1150834865.7412713
1998	1188974912.220812
1999	1126282463.309527
2000	1111968933.016061
2001	1086466864.9538052
2002	1030513333.3333334
2003	1033290147.6100469
2004	1097335496.471774
2005	1110271257.5231879
2006	1297677584.9369736
2007	1497649328.2275615
2008	1862262187.5984776
2009	2014339330.4843307
2010	2214528279.5948563
2011	2477423099.621996
2012	2766467120.115774
2013	3043801287.9884224
2014	3213277004.341534
2015	3363113183.7916064
2016	3728168494.934877
2017	3935972532.561505
2018	4167012460.202605
2019	4289716338.6396527
2020	4013837351.6642547
2021	4334302937.771346
2022	4526279146.164978