Year	constant 2015 US$
1970	4582937151942.904
1971	4753098051162.882
1972	4984213342384.928
1973	5285751079381.914
1974	5395288681770.168
1975	5350093142740.694
1976	5644121367637.027
1977	5789820127325.665
1978	5952419442364.123
1979	6222700814372.333
1980	6384379051784.697
1981	6310182027542.129
1982	6344794089916.129
1983	6397420391484.864
1984	6500951462267.093
1985	6643340652864.35
1986	6891939929527.665
1987	7137870064046.776
1988	7460205194353.255
1989	7761385363134.952
1990	8048654869547.853
1991	8252563943416.407
1992	8370330441312.84
1993	8209498494485.828
1994	8393179640894.895
1995	8578282726552.963
1996	8701984611344.541
1997	8900163045709.555
1998	9234802570201.89
1999	9557857757102.508
2000	9882468266127.336
2001	10050403465689.664
2002	10090841725097.705
2003	10226698565211.016
2004	10415270703009.965
2005	10609789273912.71
2006	10934376249107.518
2007	11253234177753.045
2008	11287348764630.754
2009	10845229149278.3
2010	11015073500650.854
2011	11110353527900.617
2012	10856441055164.994
2013	10802605694183.506
2014	10948519555878.84
2015	11206363968159.8
2016	11471009492696.54
2017	11745223505806.525
2018	11959004542484.086
2019	12236434357933.07
2020	11534413993910.229
2021	12087160535285.777
2022	12516295207296.14
2023	12543188014157.584