Year	current US$
1960	2303000000
1961	2286000000
1962	2362000000
1963	2477000000
1964	2876000000
1965	2838000000
1966	3440000000
1967	2773000000
1968	2570000000
1969	2212000000
1970	2124000000
1971	2424000000
1972	2223000000
1973	3211000000
1974	5136000000
1975	6381000000
1976	5665000000
1977	6647000000
1978	7865000000
1979	9827000000
1980	14864000000
1981	15418000000
1982	14786000000
1983	14061000000
1984	15272000000
1985	15928000000
1986	15421000000
1987	16675000000
1988	19102000000
1989	20549000000
1990	23580000000
1991	20448000000
1992	23579000000
1993	22788000000
1994	26843000000
1995	34707000000
1996	37942000000
1997	41432000000
1998	42980000000
1999	46979000000
2000	51523000000
2001	50392000000
2002	56517000000
2003	72558000000
2004	99775000000
2005	142870000000
2006	178410000000
2007	229370000000
2008	321032000000
2009	257202000000
2010	350233000000
2011	464462000000
2012	489694000000
2013	465397000000
2014	462910000000
2015	394131000000
2016	361649000000
2017	449925000000
2018	514464000000
2019	486059000000
2020	373202000000
2021	573092000000
2022	720441000000
2023	672667000000