Year	current US$
1960	213230395.37815127
1961	216356994.26470587
1962	222745259.40329212
1963	184095517.76470584
1964	186513235.81512606
1965	219117647.05882353
1966	249369747.89915967
1967	281069958.8477366
1968	263554001.61344534
1969	382521008.4033613
1970	396470588.2352941
1971	360876897.1332209
1972	369514237.8559464
1973	389531250
1974	446917293.2330827
1975	527674750.3566334
1976	546373365.0416172
1977	567643742.9537768
1978	545868033.3119795
1979	850738599.8715478
1980	1261040532.3653963
1981	1209298701.2987013
1982	1455021624.2191255
1983	1501997450.0637484
1984	1554952830.1886792
1985	1415942562.5920472
1986	1510563882.9407566
1987	1554076086.9565217
1988	1570606727.4442
1989	1504826629.6809988
1990	1757788317.5237143
1991	2035436306.5022964
1992	2282432124.1159024
1993	2605028973.509934
1994	3121408336.705787
1995	3334146341.4634147
1996	3320227971.774923
1997	3676432554.670283
1998	3967633824.6702867
1999	4271343816.534541
2000	4578522269.835086
2001	3465129811.996419
2002	3319422192.138825
2003	3783609614.5876503
2004	4677566953.25625
2005	5704109452.736319
2006	7033766989.432826
2007	7997307401.059234
2008	10295128398.706135
2009	9982532221.579817
2015	24059662018.818287
2016	26482103820.119053
2017	29823068486.21575
2018	29049270996.50516
2019	25410365018.755077
2020	21551602811.75004
2021	23344775696.6417
2022	17636895448.660397
2023	14836940144.370142