Year	constant 2010 US$
2006	15287381419.8396
2007	16336197111.1162
2008	16795033413.7654
2009	17870586401.5176
2010	19242451396.6368
2011	20437075827.7559
2012	21454681394.261
2013	22613792919.2404
2014	24036790875.237
2015	25570419219.0113
2016	27216566732.8769
2017	28860387574.291
2018	30782872421.1923