Year	current US$
1960	11416000000
1961	12651000000
1962	13244000000
1963	14578000000
1964	16230000000
1965	17913000000
1966	20157000000
1967	21761000000
1968	24888000000
1969	28852000000
1970	34228000000
1971	38845000000
1972	46737000000
1973	67563000000
1974	89368000000
1975	90176000000
1976	102162000000
1977	118072000000
1978	142453000000
1979	171804000000
1980	192860000000
1981	176047000000
1982	176424000000
1983	169417000000
1984	171735000000
1985	183933000000
1986	243326000000
1987	294369000000
1988	323323000000
1989	341231000000
1990	421100000000
1991	402843000000
1992	430042000000
1993	380096000000
1994	426935000000
1995	523461000000
1996	524649000000
1997	512891000000
1998	543752000000
1999	543539000000
2000	551810000000
2001	571645000000
2002	615831000000
2003	751560000000
2004	909887000000
2005	970914000000
2006	1108107000000
2007	1321214000000
2008	1446171000000
2009	1120041000000
2010	1258924000000
2011	1473985000000
2012	1401113000000
2013	1445067000000
2014	1494214000000
2015	1326206000000
2016	1334355000000
2017	1448191000000
2018	1560539000000
2019	1489412000000
2020	1382533000000
2021	1636742000000
2022	1675847000000
2023	1688419000000