Year	current US$
1960	441628884.17334914
1961	463370613.8557293
1962	482394627.32781255
1963	547619816.374953
1964	672634762.0486403
1965	890052058.8724434
1966	1006913855.9152368
1967	1152311673.1661558
1968	1358858105.1487656
1969	1629270868.0733728
1970	1909195637.7340198
1971	2565524339.599028
1972	3297948621.196066
1973	4678795521.137234
1974	9740058792.970913
1975	12344590770.71461
1976	14585955159.039768
1977	16398422908.693521
1978	18189908864.779713
1979	17862741722.840584
1980	19843191801.80691
1981	21558579205.208115
1982	23281068671.947735
1983	25387620380.135048
1984	24524297056.408566
1985	28658015875.264267
1986	31876441355.058784
1987	19230685840.607758
1988	18500499586.231216
1989	14436464795.883318
1990	13537713758.023474
1993	9071295624.624624
1994	10311776643.18766
1995	13741170714.704445
1996	14891714526.268923
1997	13206336896.204353
1998	14390152102.308172
1999	13452671230.105465
2000	14172524682.254406
2001	16331278175.116
2002	15071353298.56748
2003	17534075472.532604
2004	21353857010.247276
2005	27346910206.159023
2006	33196610503.37583
2007	33158619235.168636
2008	41450968395.56604
2009	46562847681.32364
2010	52597324515.01813
2011	82654790763.41515
2012	85836410030.34372
2013	63932402415.43303
2014	59021653847.24771
2015	63553947542.315475
2016	72268419827.53001
2017	78164055622.10359
2018	51917145692.71668
2019	43399160383.10166
2020	34597829479.46193
2021	51112333398.743416
2022	52634150280.73839
2023	53042293458.09326