Year	constant 2010 US$
2007	3782905267.35303
2008	3739145129.86097
2009	3228322501.42891
2010	3926896180.3193
2011	4218495915.2737
2012	4330331524.65105
2013	3737076087.11282
2014	3946352413.30477
2015	5098688160.5357
2016	4899782473.75077
2017	4963479599.25693
2018	5181872776.26839