Year	constant 2015 US$
1960	7007485325.468488
1961	7520837447.640643
1962	7867047598.88104
1963	8059609507.871268
1964	9254568661.853727
1965	10250719342.41655
1966	10759449895.171942
1967	9806505271.71194
1968	11719960411.809454
1969	12100177780.63022
1970	12650053064.701803
1971	13329936812.25965
1972	13827850446.186386
1973	14438869357.855274
1974	16765457417.489702
1975	18859574485.233807
1976	22098725966.92263
1977	22518592786.599674
1978	26359581201.596653
1979	31860629533.723694
1980	39747322739.7361
1981	39457673065.24327
1982	40812640889.48065
1983	35477076845.911674
1984	34950156507.74193
1985	35458295526.70258
1986	37106251927.1503
1987	40559093083.336914
1988	40551371874.136986
1989	39286763062.529594
1990	62001516291.88083
1991	22291338827.16701
1992	29556579056.59521
1993	38509216455.629456
1994	39993566700.07581
1995	40841438912.02572
1996	45342486348.698265
1997	54972294637.758415
1998	74134039677.5633
1999	87168483737.77861
2000	101918843143.26141
2001	103714123263.81528
2002	95211152164.98198
2003	60308502640.3348
2004	92502263396.42511
2005	94048799140.15671
2006	99359074412.65393
2007	101232561440.96869
2008	109562085020.28491
2009	113264515567.21152
2010	120516349622.45108
2011	129611081238.51405
2012	147674239072.76675
2013	158939673521.91394
2014	159252811238.1422
2015	166774104959.10168
2016	189767872908.4262
2017	186314571374.74243
2018	191221819559.37827
2019	201765390222.03455
2020	177479307669.5691
2021	180145367592.77167
2022	193908133926.6737
2023	188215848693.25772