Year	current US$
1960	253947718.96360198
1961	270613873.8374985
1962	305580527.7718769
1963	307022967.21413505
1964	331360123.699581
1965	351012482.87905407
1966	351740049.12771404
1967	350370177.8568015
1968	355179417.4657231
1969	362415683.46437025
1970	371029145.0129236
1971	392565110.9754074
1972	461946105.2180601
1973	536052210.75264114
1974	520892451.49163455
1975	711505263.0989548
1976	734740685.2400147
1977	812520081.8902053
1978	968840680.2287341
1982	826020394.38367
1983	828285224.2964
1984	930177345.0916984
1985	1128517543.0764365
1986	1185874202.4219143
1987	1256229187.5156274
1988	1532117454.763092
1989	1503845975.806416
1990	1872010491.859858
1991	1907737130.252276
1992	1924529213.1281393
1993	1501321763.2828524
1994	1204780875.9888442
1995	1421340753.661918
1996	1460105858.5529542
1997	1435486321.8692243
1998	1672911315.505407
1999	1537437923.6545904
2000	1312376013.4842868
2001	1620852263.2525551
2002	2812078668.783982
2003	2234795571.7603064
2004	3337796609.556885
2005	4600515569.631657
2006	5835353841.994255
2007	6349965734.758369
2008	7589746879.642103
2009	7116853656.701042
2010	7704551409.490679
2011	9062822967.46686
2012	8971191808.610943
2013	9879037394.85333
2014	10392017544.326885
2015	8592251205.929285
2016	8036549707.008767
2017	8449220645.4157295
2018	9098767265.881098
2019	9014916399.941435
2020	10152085120.102945
2021	10191001606.291082
2022	9435041594.86865
2023	10363349709.214348