Year	current US$
2005	3459272680.2508607
2006	4013761201.0391784
2007	5757458871.396449
2008	7124181300.834748
2009	6385070918.987593
2010	8403698545.951872
2011	9418291262.306728
2012	9895114623.121704
2013	10796377193.448946
2014	10855274489.952583
2015	11605353908.583708
2016	11203436373.632572
2017	10653677126.515625
2018	12909646555.148733
2019	12373757436.352058