Year	current US$
1960	32207221764.424877
1961	32119593904.07151
1962	33003838676.72824
1963	36798011227.613106
1964	40679811638.85133
1965	43048601881.11813
1966	45579330270.708
1967	47249383014.2887
1968	50234886503.26122
1969	55831993082.4346
1970	61154374063.73003
1971	66457376060.942764
1972	74897493599.06897
1973	108076391776.20456
1974	177288702008.07468
1975	172732153006.16354
1976	196744587168.24094
1977	224920705653.7691
1978	242774475029.8096
1979	331106578095.7643
1980	432573532608.0454
1981	401078284531.2498
1982	380599311566.5173
1983	377747508655.45605
1984	400523516215.3501
1985	389353578188.90344
1986	347319991858.7528
1987	409459692611.38153
1988	461125457949.7719
1989	516020055347.5302
1990	562442664834.4077
1991	570175061637.5148
1992	619218420683.3893
1993	649577493968.3768
1994	778067927976.6329
1995	944705106684.0878
1996	1026496289658.2086
1997	1110528203356.5964
1998	1054533996787.8973
1999	1139920374561.67
2000	1404689528223.035
2001	1369070431501.8884
2002	1490016754715.9429
2003	1791765484558.3337
2004	2311511427067.6943
2005	2875672764740.1367
2006	3515758943076.5527
2007	4205658823484.608
2008	5106581264116.968
2009	3968396396393.1543
2010	5109187740882.99
2011	6289305366682.509
2012	6487249516999.454
2013	6636829265228.415
2014	6724290818806.728
2015	5861679906771.758
2016	5535301056313.592
2017	6248602861956.3125
2018	6979059330886.652
2019	6877636198847.404
2020	6532660779352.917
2021	8519268927604.03
2022	9573019375021.176
2023	9021136929548.701