Year	constant 2015 US$
1970	2432018633598.3784
1971	2431014247213.697
1972	2503457459963.2915
1973	2734145643320.941
1974	2719402633022.2793
1975	2388705513546.1294
1976	2582950255486.633
1977	2579661422636.9766
1978	2580078886476.046
1979	2766333481636.5034
1980	2803502335597.698
1981	2542506899962.665
1982	2548297011849.156
1983	2568650190777.127
1984	2657106589230.7476
1985	2730941218384.084
1986	2902116445687.2915
1987	3023771462000.47
1988	3303031296472.5376
1989	3537593539377.556
1990	3685902861773.966
1991	3579946615730.265
1992	3246261691921.8213
1993	2899322205332.407
1994	2932273876594.615
1995	3021773298774.622
1996	3010891606236.333
1997	3119962733506.6094
1998	3244433745370.243
1999	3369621825273.7383
2000	3611467980984.3774
2001	3677018511056.0854
2002	3624609753231.6606
2003	3703177436136.755
2004	3844916414139.525
2005	3977984989120.744
2006	4304115735940.846
2007	4632616333266.361
2008	4616572569766.097
2009	3785813519473.8877
2010	4021410849688.9785
2011	4251305431443.4136
2012	4072116294658.6885
2013	4053118878131.7603
2014	4210234430823.178
2015	4331732207231.8203
2016	4434469504880.712
2017	4649107525412.296
2018	4792823544731.073
2019	5000923916667.363
2020	4673627116104.203
2021	4917852067916.974
2022	5203186521352.418
2023	5163690477182.076