Year	constant 2015 US$
1970	27810065102.821106
1971	32339485377.69968
1972	31505673245.840633
1973	35191484964.348434
1974	37308752712.61752
1975	40990224243.05051
1976	45052144259.58456
1977	46423271675.10589
1978	41342647514.72561
1979	42138017980.779144
1980	41632448072.7498
1981	43730867004.23683
1982	44078206055.59572
1983	46504247184.04462
1984	47106913299.576294
1985	45616492714.68428
1986	48991794977.78234
1987	49369019324.170685
1988	48870517722.43461
1989	45574082876.92464
1990	40874403224.13969
1991	40712080190.14155
1992	39909145396.30048
1993	42006696290.172554
1994	44213247907.409294
1995	45640177741.03542
1996	49912162860.390594
1997	57279322103.95781
1998	64330763666.42551
1999	61160194275.08521
2000	59148083083.60025
2001	58785615376.66628
2002	58577782370.56935
2003	58864234783.50724
2004	64837201612.06981
2005	72542771520.09915
2006	79119768523.30263
2007	88813516585.71867
2008	89816968068.61627
2009	83515635010.85043
2010	78152898625.60707
2011	83976066962.90169
2012	90310013433.91544
2013	96030505321.89725
2014	95788570838.06961
2015	91953332644.41455
2016	95579125762.11632
2017	98097426888.49846
2018	100279549447.14267
2019	109819406840.96306
2020	105314167613.92989
2021	106044435258.86116
2022	111586111398.16052
2023	111902201095.38072