Year	constant 2015 US$
2003	4276727489.900569
2004	4589616812.34142
2005	4912017550.996663
2006	5477326137.221214
2007	6188077065.716515
2008	6607910052.694388
2009	6318113537.983339
2010	7279825788.6224165
2011	7807791130.459656
2012	8357568787.8265505
2013	8625029041.69677
2014	8969019790.947664
2015	9193956089.474394
2016	9558871512.548635
2017	10070642324.588583
2018	10866442702.349817
2019	11790051650.596527
2020	10986625444.309553
2021	12927558579.617758
2022	14110635061.303673
2023	15515290583.329353