Year	current US$
1960	1702000000
1961	1379000000
1962	1732010000
1963	1769010000
1964	1715080000
1965	1824290000
1966	1790100000
1967	1691630000
1968	2550040000
1969	3240690000
1970	4307530000
1971	14621901254.9144
1972	17563614517.2147
1973	11354553171.0616
1974	12614287821.7191
1975	11950207137.8839
1976	15746252433.2972
1977	22340967691.3354
1978	32407256160.2846
1979	19521521615.0025
1980	24636458973.8916
1981	28208399380.1853
1982	23333958240.9429
1983	24601596193.5168
1984	26429149250.773
1985	26718641476.2742
1986	42256623255.4157
1987	80972879073.3306
1988	96728167485.2983
1989	83957371777.0126
1990	78500572150.0619
1991	72058848245.5764
1992	71622706505.1494
1993	98524331239.1741
1994	125860194539.294
1995	183249772502.408
1996	216648011850.188
1997	219648288039.43
1998	215470624423.59
1999	286916156869.904
2000	354902072398.679
2001	395155049518.924
2002	461185643035.435
2003	663289093568.572
2004	833891294560.437
2005	834274854302.09
2006	879681506789.366
2007	952784455942.681
2008	1009364782806.59
2009	1024899798741.46
2010	1069985031214.96
2011	1258172340310.09
2012	1227147063679.2
2013	1237217761751.35
2014	1231009767133.57
2015	1207019203627.57
2016	1188326843648.84
2017	1232243916612.67
2018	1238935321253.38
2019	1284973739113.36
2020	1344283264565.8
2021	1356244308425.69
2022	1178279371462.45
2023	1238541063446.21