Quarter	Millions of US Dollars
2013-04-01	650
2013-07-01	650
2013-10-01	650
2014-01-01	650
2014-04-01	650
2014-07-01	650
2014-10-01	650
2015-01-01	650
2015-04-01	650
2015-07-01	650
2015-10-01	650
2016-01-01	650
2016-04-01	650
2016-07-01	650
2016-10-01	650
2017-01-01	650
2017-04-01	650
2017-07-01	650
2017-10-01	1650
2018-01-01	1650
2018-04-01	1650