Year	current US$
1973	8399229203.3701105
1974	10948234834.701159
1975	14726601164.442038
1976	14612255950.621674
1977	12748203735.755632
1978	12459885762.845005
1979	15000933835.045603
1980	18482464846.426693
1981	21495903580.019165
1982	20906830880.537045
1983	19631686878.064346
1984	19385911622.618813
1985	20469650220.17263
1986	23034262941.2841
1987	26554303286.965744
1988	28686459942.965126
1989	30263526809.4316
1990	32618765050.29775
1991	33713368748.65803
1992	35343162386.96049
1993	35844144873.34317
1994	36601374717.0868
1995	39239825917.34013
1996	43235500965.19668
1997	47648031016.77296
1998	51007260846.17779
1999	52908196769.212204
2000	55712709024.5614
2001	57006615191.20018
2002	57885640079.66106
2003	62202314641.83401
2004	69524380790.84619
2005	76610789319.34892
2006	80896041554.08414
2007	86325073036.03569
2008	95691428992.91145
2009	106130805356.75073
2010	118314765307.51762
2011	133329560216.91719
2012	146832857289.28162
2013	158805147537.78726
2014	171232930407.8493
2015	191338510202.50015
2016	225591726985.72546
2017	266736774049.27884
2018	329854435996.4739
2019	366469040740.6657
2020	385238514669.69946
2021	435560113952.82837
2022	483370787991.9901
2023	493931962130.0079
