Year	constant 2015 US$
1970	87171537535.32614
1971	93659042476.43745
1972	101590102463.66714
1973	107675047280.72456
1974	115368552791.4812
1975	117308771297.47183
1976	131333125186.2609
1977	145308599484.65347
1978	161085752961.94876
1979	173645307961.30267
1980	159129403248.04135
1981	170011101816.59915
1982	167790028984.06595
1983	174166258658.3507
1984	187580957403.99915
1985	194286489394.70853
1986	197557950285.43823
1987	205685473939.23666
1988	216357433519.48938
1989	234806235233.22647
1990	249354441195.27255
1991	244499033044.80927
1992	262314946415.47607
1993	285850162411.06903
1994	313368970160.6233
1995	352799691373.55457
1996	357874603335.2733
1997	375893869338.04675
1998	386020948247.22644
1999	382244610172.6952
2000	428437515104.5311
2001	439453313839.10144
2002	427128289893.5936
2003	421582611612.3827
2004	447423832542.7733
2005	461815546149.6483
2006	500193929890.23425
2007	531192610541.4061
2008	514358415257.10925
2009	422718198055.9374
2010	472436469246.4451
2011	498041918687.57794
2012	508163671934.88257
2013	510065155126.8357
2014	523404495756.9529
2015	545774938462.8903
2016	555956383503.7106
2017	586180624157.2262
2018	598736537735.2731
2019	608157855494.7262
2020	526010186780.5856
2021	599994392499.3746
2022	661436775453.8278
2023	662623288539.0621