Year	constant 2015 US$
1960	27514598739.236217
1961	29536122813.821396
1962	32500159377.744205
1963	33906847467.00605
1964	36127022963.59269
1965	38157987897.83735
1966	41301794164.442665
1967	42892972386.21676
1968	42958271665.52813
1969	44468022472.73924
1970	45964792097.91858
1971	48074824231.81133
1972	49746643129.84344
1973	52869207462.214935
1974	57831952689.87919
1975	60319225840.99848
1976	61192111990.34748
1977	61405711440.14312
1978	59783063686.170784
1979	62228639707.127396
1980	65927096478.7269
1981	69587396442.53603
1982	69432408996.45964
1983	62205824296.28367
1984	64450388680.32395
1985	65778796308.24264
1986	71979080889.60313
1987	78979871696.25665
1988	71523166041.88097
1989	62717204194.50525
1990	59592279647.21888
1991	60914786737.850395
1992	60585536757.22619
1993	63762386032.63966
1994	71610493993.7311
1995	76917830598.9662
1996	79070739970.47908
1997	84192012966.59201
1998	83862369616.81532
1999	85116037105.76317
2000	87409379264.71075
2001	87949475111.06325
2002	92745825187.22925
2003	96608710264.56462
2004	101398766434.29097
2005	107771740073.58937
2006	115885765581.75603
2007	125757364463.19502
2008	137234696225.0498
2009	138738546494.97375
2010	150298879148.00143
2011	159808578409.16052
2012	169620385179.42285
2013	179547449111.36127
2014	183824551906.2561
2015	189802976285.61893
2016	197306492869.1395
2017	202276318741.54837
2018	210305376512.77975
2019	215017545590.31543
2020	191509018299.91663
2021	217085487224.893
2022	223002152647.31677
2023	221775234260.73746