Year	constant 2010 US$
2007	72.6170256093275
2008	567.539078545708
2009	875.972396869376
2010	1253.88450325532
2011	1493.52517914005
2012	1243.53191914715
2013	1220.67449740829
2014	831.265659414495
2015	923.418105458373
2016	938.709301923391
2017	1065.89065831143