Year	constant 2010 US$
2005	10501412076.4672
2006	10427360959.9898
2007	12923890156.8569
2008	14911874848.1646
2009	13999631609.9465
2010	13977374277.4246
2011	12481101803.8422
2012	13058834240.9898
2013	12068558192.6371
2014	12128598667.4736
2015	11347687730.93
2016	10329347814.0156
2017	9834429271.92171
2018	9183973858.57313