Year	constant 2015 US$
2007	14732989707.376478
2008	15147848719.879894
2009	13578582699.915936
2010	13441886262.188974
2011	13840549262.7071
2012	13729378578.497404
2013	13589677055.482988
2014	13483136299.187101
2015	13468460301.271631
2016	13477999699.916689
2017	13626227278.86295
2018	13734917020.567888
2019	13891024212.680672