Year	current US$
1960	5618900000
1961	6470290000
1962	5809616000
1963	6397399000
1964	7091612000
1965	7514737000
1966	8235911000
1967	9652533000
1968	10381375000
1969	11856981000
1970	16996746000
1971	18203549000
1972	22688271000
1973	35729071000
1974	56496263000
1975	58201537000
1976	77098493000
1977	84861808000
1978	105129078000
1979	142311779000
1980	179434953666.67
1981	177386171811.58002
1982	158744422915.73
1983	157948872888.93002
1984	171064369955.06003
1985	169583851269.53
1986	164990898341.28
1987	195639839202.99
1988	226313603320.73
1989	251873223027.40994
1990	272141666038.64996
1991	288217478743.41003
1992	371830516331.5331
1993	407224450279.72
1994	501208325213.74005
1995	615993256168.3401
1996	645421556625.97
1997	708551615983.3701
1998	682475750112.4999
1999	730122380396.7001
2000	896250361813
2001	884973851047
2002	994794727216
2003	1237320500758
2004	1607345906914
2005	2011691472010
2006	2460542666927
2007	2979332494468
2008	3669183557854
2009	2833634113919
2010	3660455029782
2011	4521875650328
2012	4757938371086
2013	4974365205084
2014	5066971497189
2015	4470318364355
2016	4235678344173
2017	4709693013511
2018	5327431665873
2019	5247934869328
2020	5159118112012