Year	constant 2010 US$
2007	1525767313.32563
2008	1618225934.36354
2009	1598482239.02829
2010	1591147121.9859
2011	1663243911.23712
2012	1675577707.94734
2013	1702372729.78063
2014	1685965377.11703
2015	1725327389.24255
2016	1808752275.87018
2017	1883956602.27396
2018	2014053316.90578