Year	current US$
1960	2571000000
1961	1942000000
1962	1913000000
1963	2031000000
1964	2250000000
1965	2563000000
1966	2681000000
1967	2388000000
1968	2340000000
1969	2429000000
1970	2307000000
1971	2783000000
1972	3693000000
1973	5876000000
1974	7108000000
1975	7689000000
1976	6943000000
1977	7520000000
1978	9955000000
1979	13614000000
1980	18099000000
1981	22007000000
1982	22321000000
1983	22226000000
1984	26139000000
1985	27350000000
1986	30942000000
1987	39437000000
1988	47516000000
1989	52538000000
1990	62091000000
1991	71910000000
1992	84940000000
1993	91744000000
1994	121006000000
1995	148780000000
1996	151048000000
1997	182792000000
1998	183712000000
1999	194931000000
2000	249203000000
2001	266098000000
2002	325596000000
2003	438228000000
2004	593326000000
2005	761953000000
2006	968978000000
2007	1220456000000
2008	1430693000000
2009	1201612000000
2010	1577754000000
2011	1898381000000
2012	2048714000000
2013	2209005000000
2014	2342293000000
2015	2273468000000
2016	2097632000000
2017	2263346000000
2018	2486695000000
2019	2499457000000
2020	2589952000000
2021	3316022000000
2022	3544434000000
2023	3380024000000