Year	current US$
1970	4506712959.722241
1971	4897319973.355631
1972	5877629701.5876875
1973	8189670123.83364
1974	10509052836.796217
1975	11586982723.985537
1976	12652982681.2059
1977	13926176387.71485
1978	16484939816.49276
1979	20451807823.700165
1980	27018950437.317787
1981	26748497255.858524
1982	25341958475.364117
1983	25115536428.92385
1984	25803344973.350487
1985	27037523844.97278
1986	26003083289.382935
1987	29427235621.521336
1988	32313794690.80865
1989	37392425229.922516
1990	46392958128.98382
1991	47030187107.62159
1992	47881567302.27693
1993	44244794970.468414
1994	46713188619.36069
1995	55671328450.561935
1996	64479983875.46901
1997	64600757768.54129
1998	56686723834.01148
1999	62333572674.12042
2000	78206389602.12683
2001	78381841031.17319
2002	79284551216.21283
2003	91002514053.27533
2004	109052338001.42416
2005	134661078773.76794
2006	154506728205.44806
2007	172965692546.53088
2008	214876063829.78723
2009	154453985973.95163
2010	173068854267.19968
2011	208873153090.90973
2012	211710700472.71164
2013	209676255319.14893
2014	199328220047.60632
2015	149733264441.45905
2016	133315000000
2017	147570139028.81317
2018	168091730710.11374
2019	149767159090.9091
2020	118415966014.6916
2021	216630966239.81375
2022	329281372973.9099
2023	229057620700.53717