Year	constant 2010 US$
2009	575411335.474896
2010	627796162.551461
2011	662740244.348112
2012	688111905.055151
2013	570200110.24134
2014	606284967.805895
2015	652939668.104919
2016	686026203.518435
2017	718926984.293638