Year	constant 2015 US$
1965	378932823.0842237
1966	385911486.61670244
1967	374538148.8017396
1968	379909095.60813016
1969	398652908.36503977
1970	438237405.05355406
1971	431623489.187454
1972	413321073.77421457
1973	362620320.4131553
1974	551972712.1419221
1975	560570292.4536779
1976	1536662748.7074318
1977	1818696203.215328
1978	1665626414.3166564
1979	1853539019.3080368
1980	1800554905.4628248
1981	2112902259.8528228
1982	2119458436.966407
1983	2172093840.195456
1984	2252999850.2368073
1985	2290105018.473221
1986	2471539067.822773
1987	2522082073.0616617
1988	2541843598.783452
1989	2558210792.9721556
1990	2568865662.1472316
1991	2622250350.2688603
1992	2908074091.947318
1993	3248353805.267785
1994	3356565847.664844
1995	3433788971.7528768
1996	3405724480.085788
1997	3570636534.1364584
1998	3679560531.0338936
1999	3782087287.3338327
2000	3921483633.7247624
2001	4144971941.3701367
2002	4529319089.930451
2003	4916303269.854592
2004	5396145095.145596
2005	5924259222.249107
2006	6406884579.916286
2007	6602781738.411696
2008	6813182563.776062
2009	7228978738.687365
2010	7722420803.087983
2011	8242623840.793423
2012	8496682164.960964
2013	8988732463.642836
2014	9697507576.372372
2015	10546191789.505402
2016	11428742307.426699
2017	12251900567.18778
2018	12898492774.172632
2019	14626793764.983875
2020	14912228136.744621
2021	15937775586.506144
2022	16932534272.147198
2023	18377803916.690025