Year	constant 2015 US$
1960	26775250058.20133
1961	28179684721.49708
1962	29314392034.921658
1963	31026393610.922905
1964	31819806920.6936
1965	32122181797.09599
1966	35731508026.09742
1967	37023559304.17181
1968	38353450489.44828
1969	39863802957.39723
1970	40592898746.55061
1971	44417840219.410446
1972	43964801437.8959
1973	41753702384.35032
1974	42748337927.23904
1975	37228629336.50303
1976	38655447829.57956
1977	42692888123.76427
1978	45980711669.0927
1979	49851508074.72969
1980	53832958966.33399
1981	57345758918.08799
1982	51029522091.787994
1983	48469156376.32872
1984	50458177022.74146
1985	52481507638.67841
1986	55303801645.74404
1987	58876686345.96697
1988	63201243989.833
1989	69472945426.75645
1990	71788871549.58325
1991	77391556631.47673
1992	86033645570.06783
1993	91702216494.85
1994	96315019535.2754
1995	104919125196.92184
1996	112056685776.98587
1997	120339623821.76141
1998	125370887061.40733
1999	125027832950.76204
2000	131243743560.34839
2001	135383217068.29764
2002	139719269580.06955
2003	146318553367.3333
2004	156084225513.21933
2005	165194933110.73148
2006	175189211413.9758
2007	184243394524.54678
2008	191225100455.4415
2009	189087132634.0861
2010	200151851754.46994
2011	212609096424.81433
2012	225695909225.26212
2013	233163076989.91052
2014	237342873662.24182
2015	242450355827.82703
2016	246700604504.1716
2017	250050047208.95398
2018	260027117795.38467
2019	261676645409.82843
2020	245600606661.89395
2021	273436873982.62595
2022	279066228503.4121
2023	279676771459.2289