Year	constant 2015 US$
1970	131893503087.983
1971	142008690424.60184
1972	166261850688.5899
1973	182882120799.2539
1974	178956493150.43222
1975	166052315284.18442
1976	181035800150.46347
1977	172169691891.56763
1978	139688152571.4488
1979	124127799402.12709
1980	74094546209.63774
1981	74432885170.3232
1982	96472327316.63896
1983	108911875002.402
1984	100991873467.32843
1985	98933799733.1563
1986	92735756814.77283
1987	110540361594.61583
1988	122025807457.61565
1989	131884470138.25703
1990	149403678576.92297
1991	164374904293.62125
1992	170492317810.4203
1993	180018482000.7955
1994	192702142485.53052
1995	192187953000.84384
1996	197987576899.54398
1997	202003257520.31396
1998	202592513019.91077
1999	213635076359.23782
2000	224924699026.55417
2001	229950876722.03964
2002	238684205180.85083
2003	253272912797.62024
2004	270621200329.7438
2005	289547924377.34985
2006	310679475020.5328
2007	323922582094.0772
2008	339480877497.39264
2009	313638994993.0014
2010	360220643675.5256
2011	319871024995.4383
2012	317267656116.40814
2013	305343591028.30664
2014	299553932000.39325
2015	315041117098.2795
2016	330347125934.4364
2017	383610885527.9784
2018	417271909030.3568
2019	398343834612.3873
2020	316855078952.8998
2021	326719127205.0769
2022	381357362173.5857
2023	444534736594.17487