Year	constant 2010 US$
2007	1255091881.12946
2008	1281407770.40694
2009	1362647433.71184
2010	1355587587.13794
2011	1396915346.75284
2012	1413246045.98453
2013	1439096306.11027
2014	1468705352.60095
2015	1517374133.94038
2016	1527649836.83023
2017	1659137686.537
2018	1686119737.56424