Year	current US$
1960	764000000
1961	826000000
1962	930000000
1963	985000000
1964	1054000000
1965	1145000000
1966	1199000000
1967	1145000000
1968	1254000000
1969	1430000000
1970	1402000000
1971	1504000000
1972	1694000000
1973	2250000000
1974	2958000000
1975	2904000000
1976	3417000000
1977	4167000000
1978	6005000000
1979	8982000000
1980	18031000000
1981	23307000000
1982	24055000000
1983	25953000000
1984	29101000000
1985	26757000000
1986	21804000000
1987	27600000000
1988	30691000000
1989	35171000000
1990	40711000000
1991	42688000000
1992	46196000000
1993	51886000000
1994	60882000000
1995	79542000000
1996	96000000000
1997	110431000000
1998	117460000000
1999	136391000000
2000	166367000000
2001	158547000000
2002	160682000000
2003	165396000000
2004	187980000000
2005	214207000000
2006	249961000000
2007	271821000000
2008	291265000000
2009	229712000000
2010	298305000000
2011	349569000000
2012	370770000000
2013	380015000000
2014	396912000000
2015	380550000000
2016	373948000000
2017	409433000000
2018	450713000000
2019	460604000000
2020	417171000000
2021	494949000000
2022	577735000000
2023	593012000000