Year	current US$
1970	12894062635.624187
1971	14953868393.826443
1972	17227315503.475914
1973	22620798501.5089
1974	27873711572.828854
1975	34779314698.96114
1976	38946210941.079445
1977	45285620362.54344
1978	46454800373.88169
1979	52013980766.57254
1980	60720359572.40039
1981	59154455963.06299
1982	59595754570.80881
1983	56950413902.74655
1984	56759051644.91821
1985	60827943981.76149
1986	81540021907.58246
1987	96508051948.05196
1988	102760626054.93324
1989	99325512347.02007
1990	112520408326.27762
1991	112622437489.39519
1992	122358355459.00716
1993	113179966450.99449
1994	119689696214.01042
1995	143001799469.63
1996	149353933455.30096
1997	148579890858.71008
1998	151320459636.05518
1999	150584290696.4817
2000	142458247176.71387
2001	144946339401.89285
2002	169621608757.73444
2003	199511030761.8429
2004	229329011393.30643
2005	259096779200.62085
2006	286500553537.18054
2007	346381083985.8744
2008	382855673758.86523
2009	340814528568.9296
2010	379063008410.31274
2011	432554658570.72754
2012	440600429737.85986
2013	464208680851.06384
2014	449967627611.7427
2015	362081058179.1876
2016	360720238095.2381
2017	384246141446.70544
2018	411471011374.1162
2019	398990000000
2020	371064448181.2551
2021	428618393480.7916
2022	425613487041.69183
2023	414098453770.9069