Year	current US$
1960	1186000000
1961	1139000000
1962	1143000000
1963	1240000000
1964	1493000000
1965	1560000000
1966	1605000000
1967	1748000000
1968	1960000000
1969	2080000000
1970	2461000000
1971	2407000000
1972	2718000000
1973	3814000000
1974	6057000000
1975	6580000000
1976	6028000000
1977	5489000000
1978	8109000000
1979	12086000000
1980	22144000000
1981	28462000000
1982	17742000000
1983	12476000000
1984	16691000000
1985	19116000000
1986	17573000000
1987	19697000000
1988	29402000000
1989	36400000000
1990	43548000000
1991	51725000000
1992	64213000000
1993	67547000000
1994	81986000000
1995	74427000000
1996	91979000000
1997	113121000000
1998	129072000000
1999	146084000000
2000	179464000000
2001	173039000000
2002	173087000000
2003	175039000000
2004	202260000000
2005	228240000000
2006	263476000000
2007	290246000000
2008	318304000000
2009	241515000000
2010	310205000000
2011	361068000000
2012	380477000000
2013	390965000000
2014	411581000000
2015	405282000000
2016	397522000000
2017	432179000000
2018	476835000000
2019	467118000000
2020	393278000000
2021	522455000000
2022	626324000000
2023	621476000000