Year	constant 2015 US$
1960	5566976651.665163
1961	6155737371.086035
1962	6424824333.600406
1963	6798276405.678189
1964	6515177894.858908
1965	6809753858.244888
1966	7345443253.18553
1967	8007062603.277431
1968	8876419196.34033
1969	9778618723.606709
1970	11133984517.59627
1971	12538274674.812351
1972	13768603635.425594
1973	14829720468.776165
1974	15707496887.456358
1975	16202784141.371876
1976	17045585146.666512
1977	18028603239.17319
1978	19342431731.31684
1979	20413194003.34957
1980	21716039515.797703
1981	22790236795.822212
1982	24052694129.131977
1983	25601461002.034203
1984	27076983821.89549
1985	28131416149.467216
1986	29042451683.513733
1987	31452432695.346798
1988	33968888982.48429
1989	36657445057.87774
1990	39589860921.51151
1991	42161592854.32275
1992	44399512622.39795
1993	49900762172.06172
1994	52880425742.422455
1995	55480789584.33323
1996	60038841048.13096
1997	63568541482.65083
1998	63450690338.72525
1999	69202632516.26944
2000	79203390593.08562
2001	85114528028.39192
2002	88250608345.84978
2003	89316161224.59218
2004	93250410555.3041
2005	97055323445.22318
2006	101876837901.17213
2007	108052583200.17892
2008	113114716653.88103
2009	113975570485.3825
2010	120288721564.31181
2011	124003622892.24228
2012	127905542132.37103
2013	133694355751.41492
2014	137689023847.46353
2015	145834197079.62833
2016	150693724655.8653
2017	155534194291.08435
2018	161781199153.51483
2019	166394385049.83255
2020	154133383956.30356
2021	164830738871.1
2022	173963416964.08786
2023	180000416596.62512