Year	current US$
2005	2059155566.1365485
2006	5704600937.239995
2007	8845384598.025341
2008	13620190523.701424
2009	8710717349.739769
2010	8842526353.182602
2011	10451827451.970364
2012	9520479756.412842
2013	9491763164.125916
2014	9772696334.316563
2015	9547005299.055273
2016	4478953574.926856
2017	10106009323.350805
2018	14469351665.738955
2019	19668712945.05979