Year	current US$
1960	4296720214.84375
1961	5302609863.28125
1962	5403069824.21875
1963	5832950195.3125
1964	5761910156.25
1965	6227779785.15625
1966	6391879882.8125
1967	6491970214.84375
1968	5865819824.21875
1969	5947680175.78125
1970	6549799804.6875
1971	7465990234.375
1972	7921790039.0625
1973	10571139648.4375
1974	14307750000
1975	18346160156.25
1976	17709039062.5
1977	18514609375
1978	24845550781.25
1979	28196000000
1980	33919281250
1981	32593250000
1982	29644679687.5
1983	28445800781.25
1984	29437240234.375
1985	31410310546.875
1986	36899460937.5
1987	40732480468.75
1988	43670511718.75
1989	45085570312.5
1990	57036320312.5
1991	60476128906.25
1992	59571289062.5
1993	54834597656.25
1994	58797839843.75
1995	57574781250
1996	54733871093.75
1997	47609281250
1998	50283371093.75
1999	51756128906.25
2000	48689582031.25
2001	50919320312.5
2002	60740902343.75
2003	70223601562.5
2004	78679867187.5
2005	107139343750
2006	105591101562.5
2007	98488539062.5
2008	118438679687.5
2009	114265101562.5
2010	128461164062.5
2011	139238984375
2012	133458015625
2013	150956250000
2014	161522437500
2015	146546625000
2016	158547968750
2017	164722515625
2018	167101734375
2019	162764250000
2020	192975765625
2021	202386343750
2022	243517562500