Year	current US$
1970	380649645540.22144
1971	423036338068.0233
1972	498772199721.3461
1973	677814648005.5669
1974	960697588095.3036
1975	1015308540517.7408
1976	1145658189489.5535
1977	1317779275122.7925
1978	1529013598113.0002
1979	1934331096504.4602
1980	2350631385377.134
1981	2350404184700.143
1982	2238710671882.16
1983	2197208812152.9473
1984	2321198672056.8677
1985	2354181646179.4873
1986	2616254812899.7964
1987	3070211077594.8765
1988	3539643092142.1763
1989	3846455909757.506
1990	4383355204928.5815
1991	4465727777364.346
1992	4957209265883.331
1993	4811795888300.997
1994	5321853998662.736
1995	6311676778848.491
1996	6617183828186.156
1997	6835996018494.0625
1998	6793364160656.859
1999	7097850778840.073
2000	7950876849843.446
2001	7735863616585.189
2002	8039866807236.284
2003	9318306622573.074
2004	11291722320869.861
2005	12803293040803.97
2006	14642603764962.283
2007	16970235567378.969
2008	19471202859313.29
2009	15652287965482.861
2010	18541555233476.785
2011	21932548251773.766
2012	22224127584661.297
2013	22802481936038.758
2014	23318870160039.125
2015	20770349966154.992
2016	20383414930243.703
2017	22467971613937.51
2018	24691240961381.26
2019	24368154406706
2020	21885562918752.08
2021	27198022654479.19
2022	30754443278889.293
2023	30226306478701.715