Year	constant 2010 US$
2008	331782012.08921
2009	209365406.019885
2010	155707180.525356
2011	131546932.396929
2012	137516761.149592
2013	125858036.762038
2014	142081924.313394
2015	162870975.028552
2016	151703883.597099
2017	163362607.984654