Year	current US$
1970	383349835578.7053
1971	430513439564.30835
1972	510005858813.7029
1973	697247739834.2137
1974	965397777283.0667
1975	1029187100583.3047
1976	1145585773431.6133
1977	1298277903620.8286
1978	1518068211708.7122
1979	1909600116816.568
1980	2309000142286.2534
1981	2307500371770.518
1982	2165867731455.4934
1983	2130893233891.394
1984	2251516853329.7314
1985	2281996516918.899
1986	2557884667392.6147
1987	3028382656920.4033
1988	3478600968819.4507
1989	3762048196086.5957
1990	4307827436761.7817
1991	4468208514602.692
1992	5051961653908.786
1993	4912574821605.091
1994	5443285110312.506
1995	6439529013078.046
1996	6729244705175.264
1997	6985753468190.926
1998	6916614555963.44
1999	7175951152688.605
2000	7961089699904.52
2001	7714092787896.144
2002	8099712018317.299
2003	9381417444478.324
2004	11398443789197.498
2005	12952458892466.832
2006	14905091192772.326
2007	17351997011345.475
2008	19823060467765.22
2009	16004415497765.58
2010	19073048846937.453
2011	22543975771930.22
2012	22878310251261.145
2013	23516009184400.91
2014	23895408595618.44
2015	21315096441263.63
2016	20927058819393.22
2017	23060401214745.094
2018	25264084692297.785
2019	24865355157709.32
2020	22529125404527.94
2021	28197310472469.45
2022	31400967426673.95
2023	30857275517503.65