Year	current US$
1960	4734000000
1961	5221000000
1962	6069000000
1963	7589000000
1964	7254000000
1965	7378000000
1966	8590000000
1967	9829000000
1968	10285000000
1969	12470000000
1970	14974000000
1971	15969000000
1972	19319000000
1973	27798000000
1974	41089000000
1975	38526000000
1976	43905000000
1977	48092000000
1978	56496000000
1979	77895000000
1980	100741000000
1981	94261000000
1982	87332000000
1983	79808000000
1984	85162000000
1985	87692000000
1986	99376000000
1987	125661000000
1988	138551000000
1989	153011000000
1990	181968000000
1991	182679000000
1992	188451000000
1993	148095000000
1994	169166000000
1995	205990000000
1996	208263000000
1997	210132000000
1998	218465000000
1999	220637000000
2000	238757000000
2001	236220000000
2002	247015000000
2003	297519000000
2004	355301000000
2005	384790000000
2006	442555000000
2007	511662000000
2008	561919000000
2009	415105000000
2010	487049000000
2011	558787000000
2012	488600000000
2013	479447000000
2014	474394000000
2015	410919000000
2016	406788000000
2017	453122000000
2018	503240000000
2019	475006000000
2020	426867000000
2021	567421000000
2022	694305000000
2023	639630000000