Year	constant 2010 US$
1960	246661854226.253
1961	272008608204.741
1962	286196738836.702
1963	288700023271.673
1964	298762900195.275
1965	307885589183.513
1966	320663950240.226
1967	336425435318.519
1968	374869719821.502
1969	411366386806.025
1970	447443002845.25
1971	497982078591.116
1972	558002873764.336
1973	636004374891.996
1974	693512655666.751
1975	729638256284.47
1976	801072834269.764
1977	837972796917.598
1978	865053643933.736
1979	923585638585.237
1980	1007733158115.63
1981	963459840853.251
1982	969050273738.546
1983	936007660747.578
1984	985327244285.169
1985	1063619984888.47
1986	1148585088075.65
1987	1189929895357.39
1988	1188708161986.97
1989	1227691357100.6
1990	1189604001251.3
1991	1207590067132.79
1992	1201951669565.71
1993	1258024746134.61
1994	1325134726637.11
1995	1383662367610.28
1996	1414207205945.88
1997	1462217362494.31
1998	1467161088733.51
1999	1474026486641.66
2000	1538706023647.11
2001	1560092443326.51
2002	1607729271032.29
2003	1626070712767.17
2004	1719731810823.1
2005	1774799882787.63
2006	1845117253979.08
2007	1957113483856.3
2008	2056812669849.93
2009	2054224952705.78
2010	2208871646202.82
2011	2296661550704.87
2012	2340784460891.31
2013	2411120883015.01
2014	2423271865109.14
2015	2337348378410.64
2016	2260088395634.38
2017	2284132600500.23
2018	2309659590893.59