Year	current US$
1960	208675424.71183622
1961	196400388.10470924
1962	272096417.5405939
1963	319150655.3713178
1964	292554811.88580555
1965	313013166.7091527
1966	290485723.714502
1967	403715845.6987367
1968	411817808.1569176
1969	518329252.70082545
1970	731352102.2667766
1971	781788525.4117904
1972	775299947.8351592
1973	1052613381.1680332
1974	1570335443.514494
1975	2281068390.842463
1976	2798399388.864149
1977	3592217875.3309207
1978	3366716498.6148415
1979	3897275651.4651713
1980	6595361381.236717
1981	5642214018.687252
1982	5914266625.624146
1983	4282011940.6754556
1984	4612377044.938015
1985	4599017787.936003
1986	5348601155.348125
1987	5466763844.73441
1988	6283355422.640728
1989	7965556769.009103
1990	9373982843.711168
1991	8821116412.356215
1992	9341461595.221363
1993	8380532003.441231
1994	9138682353.580355
1995	9911328067.915691
1996	10562258343.280699
1997	9756294184.948044
1998	11624225512.514242
1999	10754565130.274422
2000	10241099491.812536
2001	10896668965.47148
2002	11493331213.138554
2003	15117000834.414083
2004	18444792076.966022
2005	18877205378.72047
2006	21211640535.937183
2007	26783335101.246494
2008	36160161025.50538
2009	32556999416.663563
2010	31763215089.938908
2011	36267433056.753044
2012	34411762490.228546
2013	37041919199.61016
2014	36661628007.53764
2015	33319787455.34264
2016	35656472674.51891
2017	37527659415.53021
2018	40926893826.63858
2019	39443069806.248795
2020	34921906186.33742
2021	43299070232.5331
2022	39671832341.59985
2023	39498530720.55288