Year	current US$
1970	975704323.5704323
1971	1083003533.5689046
1972	1308176426.9829504
1973	1681545380.212592
1974	2149392265.19337
1975	2520470588.235294
1976	2430165782.493369
1977	2618737558.931378
1978	2847203467.1532845
1979	3208663934.4262295
1980	4161718061.674009
1981	4187296416.938111
1982	3964664480.3229065
1983	3587423090.8432865
1984	3297235004.108464
1985	3661935521.826097
1986	5177765715.051601
1987	6357425643.944784
1988	7719988857.938719
1989	8733701298.7013
1990	11959774996.484322
1991	15053561814.902178
1992	18181281556.281555
1993	16612121929.933922
1994	17487278985.507248
1995	20626269072.575294
1996	21679166883.28568
1997	20593303602.05832
1998	22103289180.76581
1999	22981269335.867233
2000	22376056432.95691
2001	23408390970.25869
2002	26355356154.22436
2003	33221029196.367775
2004	38678684778.696625
2005	41394017225.263794
2006	42420904725.67406
2007	47153767911.120544
2008	52074924163.104675
2009	52128606603.850746
2010	49034978351.25009
2011	48301349772.11099
2012	39645780144.33517
2013	42678471552.724434
2014	42298431398.938675
2015	35593202378.58514
2016	36305978233.01916
2017	38039772330.19301
2018	41137807528.63291
2019	40791246506.007774
2020	43449449519.58144
2021	47769297434.75504
2022	44821692653.01185
2023	48793371333.0989