Year	current US$
1960	155766716706.27637
1961	156968457770.75168
1962	160685856271.76016
1963	179032149053.39926
1964	205585817402.3462
1965	228934579389.68274
1966	256058412122.55933
1967	278183601842.07324
1968	307016514149.79987
1969	353869491349.8211
1970	407681311619.2899
1971	453032972865.566
1972	563643523788.6992
1973	742952752421.3408
1974	853593931846.3
1975	935125636789.9202
1976	1028057268430.7825
1977	1224351005287.6392
1978	1547276032891.1575
1979	1679225555369.5305
1980	1809081737714.5928
1981	1996961006303.4768
1982	1954428593996.3652
1983	2078273197852.4907
1984	2228877601069.781
1985	2366719469316.989
1986	3087485498573.209
1987	3613994823649.645
1988	4373503956926.5483
1989	4591542730421.013
1990	4802247208427.082
1991	5407185850356.858
1992	5913097686719.063
1993	6649962511379.434
1994	7423557162861.799
1995	8414509595092.001
1996	8111680086214.576
1997	7758572399814.257
1998	6943808659835.626
1999	7757219786023.999
2000	8400976315662.452
2001	7816492331763.033
2002	7933733496338.418
2003	8736318147347.314
2004	9806086483730.863
2005	10439035216722.527
2006	11097004580556.637
2007	12415680984718.209
2008	14320205892738.658
2009	14700401375323.521
2010	17140031902463.393
2011	19833163142702.25
2012	21247427744193.492
2013	21424351705653.93
2014	22204355658100.098
2015	22042159427896.734
2016	22821992467181.633
2017	24408978504265.344
2018	26500495085974.754
2019	27089113334645.754
2020	27163112698864.2
2021	31173449040508.742
2022	30654933284352.195
2023	30722398727948.824