Year	current US$
1962	297436507.93650794
1963	319801587.3015873
1964	340619047.61904764
1965	350095238.0952381
1966	369277777.7777778
1967	389650793.6507937
1968	415341269.84126985
1969	442563492.06349206
1970	460642857.14285713
1971	528428571.4285714
1972	592142857.1428572
1973	734404761.9047619
1974	1002322829.3650794
1975	1122380952.3809524
1976	1231523809.5238094
1977	1508428571.4285715
1978	1787626984.1269841
1979	2432547619.047619
1980	3169015873.015873
1981	4000587301.5873017
1982	4058963235.2941175
1983	4434506105.890411
1984	3394874540.4595814
1985	2382838230.7692304
1986	2563032873.212215
1987	2778022816.1676645
1988	2626190889.285714
1989	2563414240.6741147
1990	3655088839.8926654
1991	4309821182.0102625
1992	4530882704.525762
1993	4742972261.709568
1994	5363428197.253198
1995	5765494004.951554
1996	6440625636.738444
1997	6566344028.358112
1998	5734436615.318597
1999	5576912401.196509
2000	5688777539.919973
2001	5426406963.465036
2002	4173460398.512314
2003	4482117464.580019
2004	5877969690.505442
2005	6529760646.927643
2006	8311808918.071234
2007	11295112825.833397
2008	16300839583.767448
2009	14887283762.52292
2010	17469186670.81607
2011	21365069703.073875
2012	21887686867.902058
2013	24111638279.78513
2014	25820574985.471825
2015	23089828008.784016
2016	22485213070.080696
2017	24581389617.460323
2018	25768606222.712685
2019	24809239139.21756
2020	22511136433.999607
2021	25071718179.62093
2022	27459679447.772484
2023	28465736678.19085