Year	constant 2010 US$
2007	11477925531.9149
2008	12371968085.1064
2009	12985611702.1277
2010	13803297872.3404
2011	14148590425.5319
2012	15290132978.7234
2013	15741063829.7872
2014	16453457446.8085
2015	16978058510.6383
2016	17715904255.3191
2017	18768271276.5957
2018	19128670212.766