Month	US Dollars, monthly level
2016-05-01	1030393557491.5700
2016-06-01	1085559623762.9199
2016-07-01	1008774600252.1000
2016-08-01	1015465076535.6000
2016-09-01	1079547824118.2200
2016-10-01	1058091992876.7500
2016-11-01	1094904426987.0999
2016-12-01	1091528035050.7001
2017-01-01	1013578350941.7700
2017-02-01	980922001307.3740
2017-03-01	1184539971969.4502
2017-04-01	1052819775297.1800
2017-05-01	1141278029828.3700
2017-06-01	1160525708273.7500
2017-07-01	1112176170943.9000
2017-08-01	1124097587687.5900
2017-09-01	1199459231868.2300
2017-10-01	1192238877200.0100
2017-11-01	1252158912998.4500
2017-12-01	1213297480502.1199
2018-01-01	1191296326549.9700
2018-02-01	1154546772578.3000
2018-03-01	1286999630300.9000
2018-04-01	1230250718883.5900