Year	current US$
1960	723795333967.0276
1961	805362488843.989
1962	875822043290.2577
1963	959192516879.2344
1964	1069786369959.5941
1965	1177867467764.4126
1966	1273407453900.5732
1967	1333960404289.8687
1968	1334690158293.9812
1969	1495780988359.367
1970	1036107657123.0542
1971	1168274680312.9426
1972	1399903979825.2834
1973	1779960744603.9365
1974	2008974380300.9832
1975	2351962258756.729
1976	2443764868477.1904
1977	2757868315107.5493
1978	3382254545683.373
1979	4118832941143.5454
1980	4657123813975.947
1981	4136115345452.472
1982	3977505860177.5273
1983	3860206579466.567
1984	3711335437103.7188
1985	3835868458770.341
1986	5231539877213.158
1987	6462722315300.825
1988	7196597423894.891
1989	7263559436272.958
1990	8859484560283.123
1991	9118401683462.885
1992	9771948146231.232
1993	8996175386222.488
1994	9423679846137.816
1995	10792793715895.93
1996	11022736798504.926
1997	10476317547320.393
1998	10762980440919.957
1999	10652732193461.416
2000	10048209738937.271
2001	10136000186356.955
2002	11081424075446.85
2003	13496074976218.432
2004	15763391020029.652
2005	16795558976798.715
2006	18148154891687.508
2007	21104616293178.496
2008	23094900139633.77
2009	20447530413102.184
2010	20982781549344.44
2011	23241002466433.008
2012	22377359663900.504
2013	23365918056143.246
2014	23693250801642.562
2015	20366358158404.277
2016	20310320367877.65
2017	21577058402873.984
2018	23134117428426.52
2019	22859981029931.18
2020	22028118505477.79
2021	25370223759741.652
2022	25347225371595.81
2023	27134412862299.01