Year	current US$
1960	1416000000
1961	1485000000
1962	1552000000
1963	1675000000
1964	1863000000
1965	2101000000
1966	2328000000
1967	2309000000
1968	2496000000
1969	2825000000
1970	3549000000
1971	4190000000
1972	5216000000
1973	7119000000
1974	9022000000
1975	9394000000
1976	11523000000
1977	14245000000
1978	16019000000
1979	20252000000
1980	24444000000
1981	21043000000
1982	19502000000
1983	19423000000
1984	19629000000
1985	20986000000
1986	26863000000
1987	32724000000
1988	36223000000
1989	38980000000
1990	49146000000
1991	50815000000
1992	54112000000
1993	49126000000
1994	55233000000
1995	66237000000
1996	68505000000
1997	65739000000
1998	69504000000
1999	71321000000
2000	72394000000
2001	74633000000
2002	78299000000
2003	99532000000
2004	119905000000
2005	127327000000
2006	137212000000
2007	163037000000
2008	184293000000
2009	143063000000
2010	159009000000
2011	191417000000
2012	178513000000
2013	183277000000
2014	182076000000
2015	156046000000
2016	157697000000
2017	175755000000
2018	193722000000
2019	184758000000
2020	172449000000
2021	219520000000
2022	233519000000
2023	224543000000