Year	constant 2015 US$
1970	2273714699932.656
1971	2401639675872.4795
1972	2601528074138.6646
1973	2903807340565.3022
1974	3124477600811.3745
1975	3055667487882.2344
1976	3319420154362.8584
1977	3493275070062.763
1978	3566435233347.64
1979	3806959986225.779
1980	3874465763978.983
1981	3909427956223.535
1982	3815341026992.731
1983	3967931090866.8135
1984	4255162090909.3345
1985	4397081045437.4375
1986	4619063441407.872
1987	4942396204505.234
1988	5325790029725.744
1989	5765046940139.905
1990	6116088889010.458
1991	6147717574537.11
1992	6341558368787.476
1993	6441305404117.488
1994	6999669570697.573
1995	7635844096681.238
1996	8161675116739.177
1997	8959252782650.945
1998	9425273016168.652
1999	9945977431941.59
2000	11197282184936.654
2001	11255696472142.453
2002	11587028826779.604
2003	12221060903967.965
2004	13545944533378.812
2005	14656217609924.85
2006	15949047392232.361
2007	17142918754479.193
2008	17741956281425.69
2009	15703772292050.32
2010	17589959716821.113
2011	18671394594640.188
2012	19125536449022.938
2013	19604873311470.773
2014	20252719525536.59
2015	20770349966154.996
2016	21207356110407.934
2017	22511966862334.68
2018	23515548576158.527
2019	23879870486305.758
2020	21759343986337.375
2021	24266331292738.34
2022	26028905669707.258