Year	constant 2015 US$
1960	25704085715.3594
1961	27486919211.903244
1962	28557609625.51478
1963	31133668301.719124
1964	34083217464.924473
1965	36577575097.09735
1966	40964673582.66593
1967	44684104770.09422
1968	50567110466.619934
1969	57930372849.434425
1970	63753959604.84635
1971	70477142055.03767
1972	75561617309.30344
1973	86819030861.15463
1974	95077114202.40901
1975	102531096575.67403
1976	116087191990.82187
1977	130407687325.50658
1978	144691222664.0818
1979	157237726606.55505
1980	154650084773.67526
1981	165856302541.4418
1982	179685530559.4178
1983	203720580660.9915
1984	225216443661.42697
1985	242870854434.64688
1986	270381470486.16098
1987	304783976338.5288
1988	341320612492.5671
1989	365461856267.173
1990	401560542993.62695
1991	444840963700.95105
1992	472415066061.57184
1993	504905290009.96936
1994	551703276662.8129
1995	604747148973.9841
1996	652465952372.0049
1997	692726706028.7677
1998	657193648716.4579
1999	732553666046.9824
2000	798929132744.3018
2001	837696366558.2772
2002	902409606062.1469
2003	930811064125.1514
2004	979188957980.1099
2005	1021377732486.5547
2006	1075146392089.8536
2007	1137500027631.5762
2008	1171772731392.3442
2009	1181061361993.541
2010	1261430519849.4192
2011	1307922658113.4045
2012	1339345905332.01
2013	1381732300870.2842
2014	1425981639370.3538
2015	1466038936206.4277
2016	1509241369553.54
2017	1556927899270.7476
2018	1602194079769.0442
2019	1638146960195.0566
2020	1626525694049.9268
2021	1696543311942.809
2022	1740868427277.0076
2023	1764487367948.6982