Year	current US$
1970	11226729061.675066
1971	11807597955.706985
1972	12656565934.065935
1973	13190950514.4537
1974	12487526881.72043
1975	14526991150.442478
1976	15616084456.42408
1977	18722787371.3588
1978	22772908916.58677
1979	32959161372.299873
1980	46916130606.553566
1981	43509232315.11254
1982	45846607267.645004
1983	42921456722.75277
1984	42053796222.399574
1985	44664752310.0616
1986	58287159190.85312
1987	72424497466.90636
1988	88307726787.62006
1989	86919118128.27226
1990	99186789772.72726
1991	109827160493.82716
1992	113160758160.75816
1993	100362927414.5171
1994	111179981634.5271
1995	125186997001.73582
1996	129978159126.36505
1997	149819908316.96136
1998	163481285193.77277
1999	173213072318.39508
2000	171337569980.32983
2001	165564992082.91348
2002	178779976019.18466
2003	204803265306.12244
2004	243910655437.56863
2005	252441818181.81818
2006	268833486660.5336
2007	309081632653.0612
2008	278634191176.4706
2009	215958872098.4577
2010	246531353471.8908
2011	285619830960.90796
2012	287664270117.9358
2013	299424423988.39594
2014	331991384123.2201
2015	316893182638.1626
2016	293012289647.86346
2017	290498385137.07153
2018	309525992027.2359
2019	304058314942.2847
2020	264527066634.69284
2021	326577428515.3949
2022	320886785915.8643
2023	317346989515.2035