Year	current US$
1960	1495000000
1961	1687000000
1962	1885000000
1963	1979000000
1964	2072000000
1965	2340000000
1966	2494000000
1967	2645000000
1968	2853000000
1969	3210000000
1970	3608000000
1971	4038000000
1972	5335000000
1973	7814000000
1974	10482000000
1975	12536000000
1976	13867000000
1977	14674000000
1978	14744000000
1979	16142000000
1980	19120000000
1981	15530000000
1982	10250000000
1983	10600000000
1984	10650000000
1985	10840000000
1986	11205000000
1987	10850000000
1988	12245000000
1989	10270000000
1990	11570000000
1991	18390000000
1992	18540000000
1993	20180000000
1994	22680000000
1995	29050000000
1996	37135000000
1997	42310000000
1998	47055000000
1999	45883000000
2000	49029000000
2001	50184000000
2002	55299000000
2003	68272000000
2004	89696000000
2005	101639000000
2006	126989000000
2007	165710000000
2008	208804000000
2009	149459000000
2010	178049000000
2011	210597000000
2012	199060000000
2013	207607000000
2014	223556000000
2015	196473000000
2016	199506000000
2017	233812000000
2018	268959000000
2019	265282000000
2020	261626000000
2021	342075000000
2022	381187000000
2023	370076000000