Year	constant 2015 US$
1970	1587667773935.854
1971	1678112352430.4888
1972	1831725703095.6548
1973	2038389298105.3652
1974	2092214965638.954
1975	1949335887188.258
1976	2179400250818.0671
1977	2280506413513.4385
1978	2403581157241.774
1979	2604485201397.511
1980	2600372686479.332
1981	2622985328836.129
1982	2619778883150.4116
1983	2704524254463.6714
1984	2991755925151.1064
1985	3125507415439.6123
1986	3340043508705.948
1987	3590295766167.314
1988	3900330173538.662
1989	4218552115604.096
1990	4413042856600.9795
1991	4400765280924.537
1992	4570486086215.3955
1993	4632881094478.49
1994	5071298660657.613
1995	5553408399623.057
1996	5932002217749.957
1997	6513986238414.706
1998	6903230564939.76
1999	7414622995905.823
2000	8328623462311.909
2001	8362366347747.185
2002	8593631490413.253
2003	9010182435254.16
2004	9907782077107.89
2005	10646383246461.795
2006	11573042119074.51
2007	12362506977237.09
2008	12600084683522.748
2009	11122538035863.627
2010	12388017767615.084
2011	13132721340349.09
2012	13379791274309.506
2013	13741999469892.445
2014	14279767650874.924
2015	14808329711886.398
2016	15153876293351.572
2017	15943350237994.365
2018	16590671308390.814
2019	16940558607668.934
2020	15548208185314.95
2021	17181263203789.264
2022	18333098669176.016
2023	18204266273354.71