Year	constant 2015 US$
1960	18614187281.959217
1961	19414068599.97494
1962	21797762776.992897
1963	23769952706.6568
1964	25261655603.315243
1965	27026099687.173466
1966	29708453439.063698
1967	31772753331.071384
1968	31366034016.8261
1969	32461783698.733982
1970	33214214430.08776
1971	34729044503.43858
1972	35518159721.95958
1973	38177785041.58316
1974	41715046842.239944
1975	43147336819.46452
1976	43546081245.19519
1977	42648108798.44972
1978	39198969515.87941
1979	38970090215.51
1980	41717439308.794334
1981	44834823229.15672
1982	43752630857.72368
1983	41305536317.01455
1984	42444350396.901344
1985	43186812517.611855
1986	49668801902.28965
1987	55282325927.726036
1988	50673239110.70521
1989	42394108599.25927
1990	42161241854.63256
1991	43728307447.7541
1992	43404128229.63506
1993	45329266317.062744
1994	49616965126.94465
1995	54338896616.44726
1996	55625246133.8544
1997	57640500461.497215
1998	56501287637.184685
1999	55691038964.09996
2000	57096613064.800575
2001	57670007549.00129
2002	60479162028.273865
2003	61999574523.584915
2004	64105742580.29432
2005	66452353525.71932
2006	70580155820.88324
2007	76684932978.81982
2008	83508247591.92308
2009	86074167971.49995
2010	93907502214.979
2011	100670207675.37119
2012	108155438035.18735
2013	114355515110.87355
2014	119185107595.32344
2015	123974426892.77452
2016	128614615775.00235
2017	132015506982.05925
2018	137072383789.17561
2019	141519580369.3498
2020	127565917935.33067
2021	143568727973.17972
2022	148702562454.4621
2023	148807676821.39362