Year	current US$
1967	5603578208.921118
1968	6979263887.766498
1969	8230061349.693252
1970	9013698630.136986
1971	9163997460.393557
1972	10612048192.771084
1973	15681204819.27711
1974	24580481927.710842
1975	29124819277.108433
1976	36227710843.3735
1977	44173975903.614456
1978	49495081085.71649
1979	49017751256.75778
1980	69275428145.19255
1981	82471348574.27902
1982	87198907626.59343
1983	77357300691.14114
1984	80790889103.32227
1985	81748996020.09761
1986	76685219775.73918
1987	72266266225.25801
1988	80194046348.40616
1989	89890113722.97171
1990	100922880842.59909
1991	111033528397.05937
1992	121895296366.35927
1993	151992326577.91544
1994	172149161170.88974
1995	196187841493.0249
1996	221276437689.45053
1997	209439956603.811
1998	90063497246.28494
1999	129337748220.43816
2000	154077737575.38107
2001	154497031123.03683
2002	189806032770.41434
2003	225746848643.87317
2004	245051229791.35928
2005	271957843285.47443
2006	349037816633.00806
2007	414441364730.3359
2008	492096264956.17444
2009	520694548999.93384
2010	734988311299.2408
2011	868239118624.6304
2012	891961469643.9409
2013	885249528975.5326
2014	860946502355.4857
2015	832298853313.0488
2016	902045435884.2397
2017	983437956183.8965
2018	1011212626783.4165
2019	1085078650138.7124
2020	1029975056921.8981
2021	1154297486861.7097
2022	1282833043169.4692
2023	1335866354417.7195