Quarter	Millions of US Dollars
1996-10-01	5
1997-01-01	5
1997-04-01	5
1997-07-01	5
1997-10-01	0
1998-01-01	0
1998-04-01	0
1998-07-01	0
1998-10-01	70
1999-01-01	70
1999-04-01	70
1999-07-01	70
2005-07-01	0
2005-10-01	0
2006-01-01	0
2006-04-01	0
2006-07-01	0
2006-10-01	0
2007-01-01	0
2007-04-01	0
2007-07-01	0
2007-10-01	0
2008-01-01	14
2008-04-01	14
2008-07-01	29
2008-10-01	29
2009-01-01	29
2009-04-01	29
2009-07-01	29
2009-10-01	29
2010-01-01	29
2010-04-01	29
2010-07-01	29
2010-10-01	43
2011-01-01	29
2011-04-01	29
2011-07-01	479
2011-10-01	464
2012-01-01	464
2012-04-01	464
2012-07-01	29
2012-10-01	29
2013-01-01	43
2013-04-01	43
2013-07-01	29
2013-10-01	29
2014-01-01	14
2014-04-01	14
2014-07-01	29
2014-10-01	29
2015-01-01	29
2015-04-01	29
2015-07-01	0
2015-10-01	0
2016-01-01	0
2016-04-01	250
2016-07-01	250
2016-10-01	250
2017-01-01	250
2017-04-01	0
2017-07-01	0
2017-10-01	0
2018-01-01	0
2018-04-01	0