Year	current US$
1970	55500000.474999994
1971	59073442.94
1972	74480589.86500001
1973	82723338.609
1974	93472705.6589
1975	210710064.41000003
1976	443242532.01479995
1977	638713057.849
1978	773126670.5170001
1979	1068296668.4179999
1980	1927172598.8521001
1981	2224161110.3530006
1982	2074606664.288
1983	2164469995.6864
1984	2420454583.5129995
1985	2621714025.2939997
1986	3110714790.3476996
1987	3705775940.0565004
1988	4115381503.2665005
1989	4725743732.26
1990	5735412672.022
1991	6771510484.882999
1992	8368428461.087998
1993	8782597259.520998
1994	11178290893.907001
1995	12858018524.872356
1996	12876796766.653719
1997	13732572341.34354
1998	15473799669.893995
1999	17350469035.073704
2000	19849705945.3137
2001	24102569447.785458
2002	27742027425.94998
2003	36358685168.20406
2004	42630932343.818985
2005	49107478761.06875
2006	57984267641.523544
2007	62825613736.389565
2008	64224334027.269806
2009	56362425914.58523
2010	57656605608.78985
2011	61404936550.28681
2012	61809017097.06469
2013	63127831329.34447
2014	66029972939.87033
2015	70102581572.39598
2016	74933201193.83441
2017	82623104477.80359
2018	90664580146.22899
2019	98077869364.26457
2020	105109739057.23053
2021	132445702825.8407
2022	146124703452.60513