Year	current US$
1970	11625084383.170906
1971	12154380838.323355
1972	16150315816.722755
1973	22567975442.604225
1974	30977167580.04038
1975	34557182608.695656
1976	33677162397.413578
1977	34920376779.84666
1978	38819118923.611115
1979	50567850768.468025
1980	56730194940.82153
1981	46051295728.960175
1982	44262068756.62578
1983	37145003480.27842
1984	35446399296.21197
1985	37640123287.671234
1986	54608100273.25651
1987	73823410591.56448
1988	95351232681.04558
1989	110639603654.25157
1990	143991625857.00293
1991	150161197758.20654
1992	151835611896.6358
1993	112699487514.7078
1994	114874426779.28207
1995	138402722177.7422
1996	142825430185.2095
1997	133422727272.72728
1998	148160151464.52835
1999	162140834121.23587
2000	159406289835.29446
2001	166117782253.54352
2002	189126091982.74542
2003	249591671689.8034
2004	302386433654.4409
2005	339044457388.3267
2006	385245342232.9406
2007	448719178643.923
2008	464339562816.4061
2009	347563042142.18726
2010	317173735350.0006
2011	304609919727.6271
2012	244225478636.7188
2013	233297214768.6281
2014	245476389423.13638
2015	227119507736.71863
2016	231212136016.343
2017	254779255091.76514
2018	290990734079.21545
2019	290428630501.9603
2020	261626871931.51822
2021	312114523166.6617
2022	304562727120.6238
2023	321044874519.6135