Year	constant 2015 US$
1970	29556027639.033573
1971	33753459140.943726
1972	38276324087.82888
1973	42104487509.481224
1974	41683416272.36013
1975	41516050690.86091
1976	43592185635.46599
1977	48866868721.68044
1978	54095062108.26481
1979	57124916581.444885
1980	58435950298.394104
1981	65034304453.38198
1982	68653891656.238625
1983	75253843509.78902
1984	84313198221.85619
1985	84875712381.29994
1986	85073870274.05269
1987	89553209030.23863
1988	92971440724.19176
1989	94302617647.67027
1990	98727622448.08942
1991	106869695144.42262
1992	114893511518.82146
1993	123896933467.04645
1994	144550152005.8027
1995	158139981813.67184
1996	173909488528.12497
1997	198935661289.06247
1998	215142316082.4218
1999	232506192820.70306
2000	256775677790.23428
2001	266897763891.40613
2002	270694517003.12488
2003	280353936228.9061
2004	292420998427.3436
2005	297949701161.328
2006	312040514872.2655
2007	335746367293.3592
2008	332702973434.3748
2009	296644914001.953
2010	323530630367.578
2011	349974760602.73425
2012	353247823630.078
2013	368714433325.3905
2014	385403726226.17175
2015	402038652995.3123
2016	423633102385.54663
2017	446980582142.96844
2018	454702791861.7185
2019	464770511831.24976
2020	371547019735.15607
2021	421692564339.84357
2022	485593849762.49976
2023	496877595860.15594