Year	constant 2010 US$
2007	46022381457.0216
2008	47995607939.2386
2009	50066238541.0499
2010	54082775726.4957
2011	57885311311.0978
2012	65780382182.7556
2013	73807589460.1897
2014	68253231047.5189
2015	66873196754.852
2016	67262921097.3134
2017	68654812237.8425
2018	71832134486.4318