Year	constant 2015 US$
1960	2840643135.319842
1961	3036655622.0972705
1962	3136873107.867764
1963	3284628970.2097654
1964	3422993221.922012
1965	3634122579.7643833
1966	3706496252.1482916
1967	4045654269.627559
1968	4228804025.8008003
1969	4427606505.788937
1970	4673490344.842668
1971	4932315341.17476
1972	5259391843.889321
1973	5643475390.315972
1974	6116484715.657942
1975	6535613449.246586
1976	7027480419.006059
1977	7835224752.930872
1978	8777702779.132599
1979	9818926783.496756
1980	10968933818.4602
1981	11974835380.503208
1982	11807472959.519754
1983	11448216675.520094
1984	11770667082.981342
1985	12303070325.386667
1986	12913897548.879293
1987	13893068567.845518
1988	14714895264.957012
1989	15735403256.87705
1990	16384218445.375149
1991	16956625718.473564
1992	17244282666.924065
1993	18095522437.859356
1994	19057827421.294865
1995	20358106834.234566
1996	20678499692.697544
1997	21555788371.956715
1998	21570454446.61173
1999	21275784844.54391
2000	20783433276.2554
2001	20610088070.713017
2002	20605676606.052807
2003	21495995447.76884
2004	22368177914.51334
2005	22845400902.159706
2006	23943606096.664955
2007	25241738121.22699
2008	26881515165.673866
2009	26811317495.222733
2010	29786095177.46345
2011	31062837784.846657
2012	30842899501.42088
2013	33400724748.62394
2014	35171376859.12936
2015	36211447840.09714
2016	37756961788.46861
2017	39573101423.95021
2018	40841122661.17896
2019	40677000526.590034
2020	40343536418.78748
2021	41964030301.44241
2022	42037903094.74858
2023	44019622007.03595