Year	constant 2015 US$
1970	258304261195.49408
1971	278396704804.09436
1972	303831803071.67194
1973	342480486516.82324
1974	378358219612.7345
1975	406768569626.6122
1976	426791180437.06177
1977	429613276045.275
1978	451865230903.80035
1979	490710391566.08
1980	499079553785.31757
1981	519727225404.79333
1982	459971633120.64453
1983	374092593548.3521
1984	380986970390.56604
1985	389041995912.30817
1986	410422741500.0424
1987	457457107957.0451
1988	478268412683.6333
1989	511607332759.72705
1990	453432995064.669
1991	450263832014.16876
1992	486949417622.6123
1993	520921570382.17957
1994	588519665604.9994
1995	528660146308.778
1996	562727489719.54
1997	627345275193.4025
1998	656589678315.6466
1999	618330501914.8264
2000	637190808056.1263
2001	615805754481.2976
2002	599350363258.7302
2003	609852013399.9479
2004	666509963922.438
2005	708963355413.8156
2006	778395002891.9779
2007	865724516146.9518
2008	946220053341.6635
2009	866274942111.5863
2010	980427040131.4745
2011	1071497204226.4014
2012	1100227520261.5813
2013	1128977004664.7444
2014	1116719961473.5164
2015	1076056676766.2145
2016	1023014359964.4841
2017	1031806960606.5797
2018	1060649992595.6023
2019	1049733634594.6925
2020	927922882721.6581
2021	1072156254121.0599
2022	1124207665248.6057
2023	1160649175352.6067