Year	constant 2015 US$
1960	31517483533.831486
1961	32633685643.30067
1962	32497359758.7505
1963	38075396770.362366
1964	45506148999.28111
1965	64727155586.380775
1966	69894375473.54909
1967	72811299856.85509
1968	84460526928.65019
1969	77806786661.51183
1970	82417354492.70747
1971	79789189832.01445
1972	88924881960.5886
1973	101621286014.0628
1974	119086737362.86171
1975	121825583854.96884
1976	122157911322.99033
1977	115138709534.44888
1978	131310240973.5565
1979	151816693150.51343
1980	171166837485.97357
1981	197194884360.32996
1982	148959809411.45187
1983	108218725212.22318
1984	114098300265.70636
1985	126721057018.81918
1986	102793865501.2979
1987	108490144443.44499
1988	121507692808.982
1989	126911402972.02533
1990	141000528556.43826
1991	151631702637.68362
1992	173038572709.10507
1993	168540768293.6409
1994	199719686808.7533
1995	141262364979.83484
1996	159130177449.5971
1997	179354364001.73206
1998	192429090774.64685
1999	202676682816.65616
2000	208834434319.92203
2001	189896688710.34335
2002	191870537102.87045
2003	195881347643.95215
2004	212697634961.87698
2005	215680174767.16348
2006	236030561754.34592
2007	251961151097.86414
2008	266062932635.1722
2009	235758888925.96735
2010	252265254139.54105
2011	275264489337.71484
2012	282263405943.193
2013	271595338869.20972
2014	276689240550.63947
2015	287989149034.4023
2016	291001090754.36255
2017	290368358653.54736
2018	288893149080.8996
2019	276750745871.3465
2020	225630776113.55383
2021	249591268286.2783
2022	267948587956.93915
2023	319893823676.5777