Year	constant 2015 US$
1960	1866818762.838338
1961	2256585824.454061
1962	2236050286.2776613
1963	2359163049.03489
1964	2913057433.2104692
1965	3159232718.008539
1966	3856737725.417632
1967	4287544469.085627
1968	4308054888.795283
1969	4369598710.940527
1970	4912961568.88695
1971	5812210361.358985
1972	6777230656.03481
1973	6470202352.321749
1974	6974673281.958178
1975	6645665041.224257
1976	8246746374.63504
1977	9167956893.239546
1978	10308464371.105856
1979	11383157637.80911
1980	12260471082.321657
1981	13383645811.883478
1982	14944095664.806873
1983	14049951871.58791
1984	16474715605.904034
1985	18087414907.322834
1986	20875852386.54766
1987	25427959924.865475
1988	32337007399.29277
1989	39301695508.153755
1990	44565827375.028076
1991	51313102519.337135
1992	58398115078.48212
1993	65981067387.620186
1994	74627834760.77937
1995	86098462533.68301
1996	82238087090.62866
1997	89682232210.4351
1998	99360218564.63913
1999	107940936475.54945
2000	125030005389.41931
2001	125004508632.51454
2002	132363878927.06343
2003	144453767694.82047
2004	165588914692.16833
2005	178438145301.6903
2006	197687478013.48917
2007	215269307692.1092
2008	228752968731.97247
2009	200981704400.40573
2010	229561828755.916
2011	251391819122.44327
2012	260596980603.42352
2013	267149268837.7893
2014	268072183345.5131
2015	271423493717.84402
2016	278741214265.5796
2017	293182365533.9544
2018	303007052812.90137
2019	294057577652.27625
2020	236183457576.93817
2021	262373998638.4411
2022	278489348675.85846
2023	284453887485.84814
