Year	constant 2015 US$
1965	5361574928.424087
1966	6103788658.457026
1967	6640015859.074602
1968	7555104916.747552
1969	8270306877.0646925
1970	9271310789.970352
1971	9721797404.884317
1972	9530275242.736897
1973	10359100906.11894
1974	11258505710.184982
1975	10827188738.73045
1976	11857121385.807266
1977	11940596468.362045
1978	13056792510.094496
1979	13553809076.877165
1980	15339374204.444998
1981	16300993214.351377
1982	16783371144.701729
1983	16981515547.496
1984	17192730161.325424
1985	16295068051.820917
1986	17540223511.16698
1987	17683298757.355064
1988	19605665429.522327
1989	18579043902.40421
1990	17957773193.834694
1991	16849245009.558964
1992	18941350158.57191
1993	25809310501.892715
1994	31339404020.82352
1995	31623173803.94097
1996	31181681297.966022
1997	30554755842.271084
1998	28629532716.54508
1999	18736210473.75688
2000	18357953718.49352
2001	20142689594.036156
2002	22382174106.206833
2003	24952982186.163258
2004	27730280875.059917
2005	31343852442.50012
2006	37227617803.60245
2007	44632656740.278656
2008	43420671103.34938
2009	45355179625.24913
2010	48577536863.36834
2011	54509810828.05526
2012	56327242193.93506
2013	61103698378.47485
2014	66729237488.91635
2015	68603201437.92105
2016	66620549038.77946
2017	67855877161.64418
2018	68559434276.792114
2019	70092743821.67647
2020	53535626766.593315
2021	62473975248.15387
2022	69653978031.35872
2023	63439706156.30062