Year	constant 2015 US$
1970	10021110442.50898
1971	10488109965.737495
1972	11019222691.350777
1973	13116590384.143744
1974	12816543703.619135
1975	11508016376.289839
1976	13196363251.466793
1977	14946920514.421087
1978	17294609848.519524
1979	19691813414.387882
1980	18806484260.39101
1981	19128114295.17695
1982	18531828782.368355
1983	19396422249.95234
1984	21307794530.299606
1985	21999087631.93242
1986	23237153124.11679
1987	24672541045.84726
1988	25882429348.661324
1989	29366218830.78281
1990	30859786279.95898
1991	31600500414.2789
1992	34181046547.27148
1993	36760236855.51172
1994	42452873447.6246
1995	49418931269.69453
1996	55766160496.044136
1997	65047857153.341
1998	83115403609.54999
1999	93601247949.96483
2000	113900115809.27773
2001	128822508322.22577
2002	135699626481.47029
2003	132419144141.42693
2004	134940347977.46442
2005	152109042536.56558
2006	166257862690.9378
2007	181805085154.83154
2008	176740022339.04288
2009	173730782615.3706
2010	174718311220.74875
2011	179334897831.01788
2012	177514779657.38586
2013	179440657709.26517
2014	205754243767.22336
2015	272324692117.44635
2016	324079973499.49713
2017	327902750236.0655
2018	335991314454.2225
2019	478194574865.69507
2020	469928348786.4138
2021	434652005537.18494
2022	503765074650.77313
2023	505810033392.66455