Year	constant 2015 US$
1970	51376602413.45464
1971	57450103714.55815
1972	60107782074.19409
1973	66990246976.05854
1974	74180119066.964
1975	74297262547.46909
1976	77282141806.11478
1977	79062576032.18782
1978	78303756866.51868
1979	79256020714.18117
1980	83026453961.1085
1981	85749199704.21515
1982	87956300440.9167
1983	87737123935.96397
1984	85682340457.42609
1985	87270698030.89992
1986	92482147758.45186
1987	97071536879.23311
1988	104074073266.12099
1989	107945052790.22255
1990	114337648889.15692
1991	120553782510.40186
1992	124669307551.7003
1993	125673506588.26007
1994	127874938823.60342
1995	128750656267.42882
1996	133100625820.56789
1997	137317337327.97844
1998	144444323337.75616
1999	151490368163.13702
2000	157277656190.43622
2001	159614799604.50928
2002	162137661052.80536
2003	162383756559.51044
2004	166617439176.096
2005	169701770732.20578
2006	171563142814.13702
2007	175129815128.214
2008	177265821607.42294
2009	175050089969.94522
2010	177676000756.49677
2011	171160564937.87686
2012	162722304446.85266
2013	160643548832.79993
2014	163401506077.00345
2015	166305302133.60226
2016	169936408299.28937
2017	172820459464.48663
2018	176617412288.5257
2019	181973070954.03665
2020	171926075575.7894
2021	179971990118.43082
2022	188345806772.22885
2023	191225316701.16476