Year	constant 2015 US$
1992	33510316048.040607
1993	35071903294.48943
1994	34137053251.645294
1995	35802655112.56444
1996	38513227280.235146
1997	39516962540.406624
1998	41352967829.119514
1999	40257087523.38162
2000	41307328016.363655
2001	43294107230.80936
2002	45339173595.45116
2003	46364670841.45936
2004	48156376608.98826
2005	50503839602.45701
2006	53906554758.63474
2007	57094302901.76678
2008	60998515665.48123
2009	61791093979.87341
2010	62504647238.63083
2011	61237120850.66169
2012	61114000424.21481
2013	60785860877.29958
2014	62212833143.754654
2015	64328677554.7152
2016	66513519243.805046
2017	68980922799.77615
2018	71169719902.32108
2019	73417269040.96324
2020	72690016626.54529
2021	74862527189.36871
2022	77285323889.08511
2023	75331256443.19371