Year	constant 2010 US$
1975	3689749318.4964
1976	4437524696.39066
1977	5163592529.44669
1978	5565185948.27955
1979	6116449303.71165
1980	6468343599.19131
1981	6631151706.72026
1982	7030460364.84206
1983	7422913436.9089
1984	8073004355.95036
1985	8467172085.15196
1986	8780791930.11491
1987	9401176903.26703
1988	10214075784.9572
1989	11025831851.6513
1990	11842184387.4842
1991	11929757483.4437
1992	13051154569.5364
1993	13142512715.2318
1994	13917920794.702
1995	15096516556.2914
1996	15284993377.4834
1997	15688662251.6556
1998	16647377483.4437
1999	17479403973.5099
2000	18522105960.2649
2001	19254198675.4967
2002	19971019867.5497
2003	20494913907.2848
2004	21525059602.649
2005	22569668874.1722
2006	23633562913.9073
2007	24838410596.0265
2008	25744211920.5298
2009	25225403973.5099
2010	25562264900.6622
2011	25665390728.4768
2012	24926715231.7881
2013	23481139072.8477
2014	23173192052.9801
2015	23627920529.8013
2016	24764940397.351
2017	25871655629.1391
2018	26874437086.0927