Year	constant 2015 US$
2008	29208274638.613758
2009	28482764481.58941
2010	31706599627.41593
2011	26103013818.30168
2012	33790489135.46564
2013	36635883582.92207
2014	40982175550.7692
2015	44901006001.40697
2016	48296715769.04689
2017	50488940261.925705
2018	54127782538.7688
2019	56971542672.90179
2020	59581083163.13227
2021	63603565163.14518
2022	69047181173.11252
2023	75258278362.44302