Year	constant 2015 US$
2010	106282382979.71468
2011	114838932818.10602
2012	121998767456.16132
2013	126327771952.89081
2014	128487489953.10454
2015	127279526145.74608
2016	130628708352.78653
2017	129240333464.3103
2018	131543610899.90753
2019	134352173747.05685
