Year	constant 2010 US$
2009	2239597123.69667
2010	2285418826.23259
2011	2190555343.53872
2012	2282206089.8049
2013	1387699763.06365
2014	1523636139.23867
2015	1599529196.13751
2016	1755811148.84495
2017	1692835572.31691