Year	current US$
1961	9177082991.394163
1962	9191900989.54029
1963	9722690801.903925
1964	11329416796.594309
1965	13237685299.992886
1966	15411434154.707352
1967	15881961721.437881
1968	16234252102.475117
1969	17828237845.26605
1970	19280313905.636906
1971	22640126757.773815
1972	25452065865.238914
1973	30188981101.889812
1974	38034764826.17587
1975	42463625639.00904
1976	49696754563.89452
1977	49821344616.83122
1978	50703953712.63259
1979	57222127368.96022
1980	65876667807.047554
1981	76872132788.38936
1982	71011591148.57745
1983	71871957156.76729
1984	71913365763.26154
1985	75824240205.0531
1986	79730118747.75099
1987	94683257918.55203
1988	115266108718.61543
1989	130239864864.86487
1990	129376071306.13643
1991	124120624945.4482
1992	115223794159.01381
1993	108031935508.87527
1994	112475834797.89104
1995	111177499271.34946
1996	118596993032.6366
1997	132963310703.45226
1998	130318166498.14627
1999	136973817055.93323
2000	145970641707.62912
2001	148917871900.82645
2002	151939081118.97025
2003	179219184926.12946
2004	214317448116.83322
2005	256176761841.8881
2006	301916431593.79407
2007	342807932222.3256
2008	364471415182.75543
2009	306637214591.89923
2010	379448759977.9306
2011	421619974885.9652
2012	447843495449.7846
2013	446640434761.0106
2014	440410285521.47095
2015	371236410475.8618
2016	347960714854.65936
2017	374322815203.04474
2018	391237204545.5953
2019	393732750480.92163
2020	383857863956.9452
2021	485358649615.23676
2022	503411007138.8273
2023	489439047972.48676