Year	constant 2015 US$
1960	2819978877.2336082
1961	2833276800.093572
1962	2949069211.3478956
1963	3342749157.9172688
1964	3145726892.7875466
1965	3482088443.9805284
1966	3313145218.3946905
1967	3116832787.047099
1968	3492702255.7927713
1969	3607672972.167278
1970	3787310936.316148
1971	3943725455.643156
1972	4039788351.924049
1973	4000678162.3206334
1974	4214409419.879557
1975	4389421587.101078
1976	4656315811.770642
1977	4933473074.380617
1978	5255027822.254758
1979	5528356400.980375
1980	5967227079.11624
1981	6346489388.209766
1982	6702138810.886722
1983	6996435937.607499
1984	7341551093.935634
1985	7550858733.146888
1986	7471019822.190437
1987	7171758277.449612
1988	6357588759.578492
1989	6592520573.15568
1990	6778227478.729495
1991	6734127184.648099
1992	7384707336.700285
1993	7830700106.799805
1994	8416276599.953194
1995	9001043827.200657
1996	9580955459.258507
1997	10122431105.691229
1998	10716234490.64591
1999	11889140284.791992
2000	13523413252.0595
2001	15057508855.131784
2002	16868251605.336138
2003	19203491833.040306
2004	21808380518.71401
2005	24767548771.828613
2006	28006178558.384953
2007	31364521323.47256
2008	34581048770.24125
2009	38229352561.0607
2010	41912536386.46468
2011	44256068472.785866
2012	47501220126.71228
2013	51503673421.484955
2014	55711475876.24586
2015	59607290407.61913
2016	63101751663.2419
2017	66973743448.908005
2018	71172235145.7539
2019	75854734833.60269
2020	68991135073.50641
2021	60700903302.88102
2022	63151698289.33271
2023	63784628823.77949