Year	constant 2015 US$
1960	1981427159.8497715
1961	2529460786.372547
1962	2426715534.029942
1963	3811565914.5720057
1964	3314993335.2638564
1965	3514382787.9597034
1966	5777254128.710086
1967	6887291906.600845
1968	9664154772.194225
1969	12391148169.352812
1970	12557733414.975418
1971	14476735318.238375
1972	12616356566.699297
1973	16634739301.606375
1974	21785972443.58183
1975	21683757717.49917
1976	26541256153.55196
1977	34829933175.79648
1978	45928984639.054214
1979	53696508031.94649
1980	45245578395.20225
1981	46316534071.94375
1982	50779851496.857704
1983	58830499070.47375
1984	64741445816.68988
1985	69435719006.76639
1986	79711658977.72008
1987	91267847234.96342
1988	108858594856.98999
1989	127532942364.95341
1990	147887466538.1614
1991	176858798225.38965
1992	178557808572.8622
1993	187653592878.56912
1994	215799160442.1936
1995	235611840461.91147
1996	262154776615.2866
1997	259329459017.9516
1998	187814253914.289
1999	236369962487.37228
2000	270364758908.97266
2001	274998463684.37213
2002	296769492971.6322
2003	313042943890.2163
2004	326014841472.1218
2005	333241139658.8273
2006	349906472641.42377
2007	367521889734.5378
2008	366561106677.77814
2009	330317409440.2726
2010	386642409827.1146
2011	399101111673.5671
2012	388592005411.36774
2013	392510472367.3186
2014	406452614057.6195
2015	432910754430.44684
2016	460051416836.69293
2017	510186502085.63135
2018	503472603844.9891
2019	493804028020.62866
2020	498181311770.38824
2021	512702699715.50525
2022	511438190374.9273
2023	514650173194.7186