Year	current US$
1960	58925976.42960943
1961	59065976.37360945
1962	64651974.13921034
1963	69019972.39201105
1964	74479970.20801193
1965	80975967.60961296
1966	97411975.03520998
1967	96291975.4832098
1968	113175940.7296237
1969	124655950.13761994
1970	150415939.83362406
1971	182223927.11042917
1972	178639928.54402858
1973	253671089.1516759
1974	341319863.4720546
1975	379943711.13492453
1976	419497929.10245967
1977	529688840.57037705
1978	697856737.0772027
1979	794615847.9870197
1980	1070323564.621754
1981	975739149.0995634
1982	847786528.9670467
1983	760213880.9573694
1984	813008299.2949501
1985	750566710.3027564
1986	934379457.0380818
1987	1105546132.934399
1988	1215962044.5030456
1989	1158422079.3743405
1990	1220994304.6769795
1991	1106665231.440882
1992	1130508389.8221776
1993	860378157.1709739
1994	1116725385.9572358
1995	1389939181.7974598
1996	1272278196.8484669
1997	1362872289.9581456
1998	1573403879.9536831
1999	1449439972.0093007
2000	1429841221.215072
2001	1442763842.0581672
2002	1478873255.5333745
2003	1655628790.2232814
2004	1786929514.5616353
2005	2040881720.9398897
2006	2940936814.393342
2007	3682216834.824771
2008	3926415931.6981645
2009	3857922225.669666
2010	4198848482.0091467
2011	4139610544.9823256
2012	5107335061.154079
2013	5566348983.758428
2014	5924069384.825424
2015	6061207747.895559
2016	6575165252.246433
2017	7050323612.304245
2018	7984130631.573404
2019	8494156040.645742
2020	8012369660.419586
2021	9086341403.932716
2022	9187663102.261402
2023	6569451245.72757