Year	constant 2015 US$
1970	4805000661366.644
1971	4953970748944.616
1972	5195125902299.015
1973	5393697588393.42
1974	5407205804930.1455
1975	5542317948548.387
1976	5781441210366.965
1977	5992993726774.64
1978	6215447277307.8125
1979	6342118661159.987
1980	6355876088233.665
1981	6446340922531.523
1982	6535508245845.904
1983	6852984603934.539
1984	7153889950576.586
1985	7516268624331.525
1986	7825839910956.367
1987	8068657786897.468
1988	8370363377636.939
1989	8618298914770.649
1990	8802681215531.332
1991	8841976080987.3
1992	9100948866267.453
1993	9343115373730.559
1994	9633508170169.611
1995	9860625955747.764
1996	10137765929717.195
1997	10483742899265.918
1998	10958826016437.643
1999	11485904961560.201
2000	11988593841963.182
2001	12308293013746.975
2002	12656729630226.826
2003	13022366874543.688
2004	13453621393348.09
2005	13863643316550.174
2006	14234082376205.244
2007	14574106295684.81
2008	14685145862313.455
2009	14658967818941.545
2010	14901301704652.068
2011	15028553858586.514
2012	15161775809565.676
2013	15329763933623.564
2014	15659802685039.72
2015	16130262643757.135
2016	16502820118973.475
2017	16874104625657.79
2018	17300855739426.727
2019	17692663348078.293
2020	17377113846977.635
2021	18557739102347.816
2022	18952991493722.504