Year	constant 2015 US$
2007	6079684763.700662
2008	6077134100.038626
2009	7261595915.109344
2010	8324047283.52727
2011	8397223780.840719
2012	9154547894.742462
2013	9450559188.371578
2014	10135843241.376238
2015	10618477308.95203
2016	10062184707.48847
2017	9812076140.992533
2018	10027173680.516634
2019	10345979692.340406
2020	10206145842.396238
2021	10069900919.925821
2022	10332553840.760193
2023	10773929686.289726