Year	constant 2015 US$
1970	1282499578747.5852
1971	1360073233443.1619
1972	1463964603459.617
1973	1628026998621.4595
1974	1731691629681.1204
1975	1684000693669.6167
1976	1835433685455.3765
1977	1944847678416.1042
1978	2066743253824.8608
1979	2205922781721.232
1980	2306806201571.966
1981	2417734844726.42
1982	2413102628851.8535
1983	2474690035429.677
1984	2709873454605.088
1985	2835688165303.1826
1986	2905673253465.534
1987	3045218285945.97
1988	3286357412570.3647
1989	3534081513872.942
1990	3765520847870.9507
1991	3943064495745.0156
1992	4137975279493.88
1993	4257276792642.101
1994	4635761665855.381
1995	5053112101465.641
1996	5386640827415.462
1997	5996892520813.011
1998	6325263940633.188
1999	6663129678019.926
2000	7448668661535.908
2001	7512569084616.06
2002	7646422966109.103
2003	7816262471416.395
2004	8501909585722.002
2005	9010509381909.979
2006	9794527821077.93
2007	10437100614188.67
2008	10666336089178.256
2009	9526569713560.508
2010	10622327124206.223
2011	11314226544688.771
2012	11634693347890.172
2013	11935793184023.691
2014	12441334811037.062
2015	12981167330248.121
2016	13313321981685.963
2017	13970788710161.29
2018	14482554296993.525
2019	14784212693925.412
2020	13445827849059.928
2021	14702353204288.445
2022	15696681880626.395
2023	15719477871030.213