Year	current US$
1970	51100000.379999995
1971	54465559.010000005
1972	69379825.59
1973	76343250.28
1974	85339182.6719
1975	198870001.315
1976	431950352.3108
1977	523596394.322
1978	639210000.98
1979	912780005.272
1980	1846080008.936
1981	2146049998.2389998
1982	1981739997.6130002
1983	2069808886.1244001
1984	2327466911.0629997
1985	2508194940.1249995
1986	2976244418.1000996
1987	3546516678.472501
1988	3954014430.803
1989	4553692971.25
1990	5551205919.615
1991	6603977144.7560005
1992	8195129166.403998
1993	8565686060.949
1994	10945503296.852999
1995	12627820668.084293
1996	12646335587.258598
1997	13497962208.935095
1998	15211413881.3565
1999	17069398985.415108
2000	19581705107.378044
2001	23755642286.1116
2002	27293855094.789207
2003	35610275491.44658
2004	41879611541.78237
2005	48321012899.74767
2006	56988033480.092545
2007	61645085486.703384
2008	63078829769.30558
2009	55201382346.83159
2010	56324246878.86806
2011	59720995563.12865
2012	60110889359.716774
2013	61397952594.561005
2014	63999143850.07838
2015	68269275279.28917
2016	73092605893.09103
2017	81027753218.6055
2018	89061647680.81267
2019	96353362674.34412
2020	103503591915.9424
2021	130449920937.05148
2022	144203910310.08633