Year	constant 2015 US$
1960	3709291339395.255
1961	3797031141980.103
1962	4032407343517.4424
1963	4212520854023.0093
1964	4459706808968.154
1965	4744809287984.683
1966	5054342068337.226
1967	5183175369928.57
1968	5432730285504.254
1969	5609466833811.222
1970	5633795148557.974
1971	5822622966978.787
1972	6129774411179.247
1973	6481135282573.1045
1974	6467016893579.794
1975	6463542412523.4
1976	6814741556962.626
1977	7123436129079.755
1978	7506484809174.763
1979	7747670295738.635
1980	7744253088958.988
1981	7946713305978.099
1982	7793724581287.349
1983	8137150263972.886
1984	8716382142805.99
1985	9083723343722.842
1986	9388057151840.88
1987	9717257463266.389
1988	10125057004764.14
1989	10485281074256.977
1990	10668190145468.719
1991	10639054442892.951
1992	10991016160023.732
1993	11292663316002.543
1994	11751612160254.734
1995	12067144337586.402
1996	12502444621385.494
1997	13056831102712.63
1998	13636174613542.965
1999	14292758795832.438
2000	14887619188715.746
2001	15040994797665.088
2002	15311920325585.246
2003	15727951120452.912
2004	16323627679673.168
2005	16888634667144.01
2006	17357178531022.82
2007	17705725090421.31
2008	17737883003412.707
2009	17275880746723.264
2010	17746468684622.598
2011	18045711648016.14
2012	18450545281042.316
2013	18844187090398.137
2014	19324609678599.566
2015	19858182357217.14
2016	20207172753017.074
2017	20712926958302.953
2018	21323521911580.777
2019	21840133994015.434
2020	21308467546454.65
2021	22536109207181.742
2022	23004561377446.625
2023	23563484041823.49