Quarter	Millions of US Dollars
1994-07-01	0
1994-10-01	0
1995-01-01	0
1995-04-01	0
1995-07-01	0
1995-10-01	0
1996-01-01	0
1996-04-01	0
1996-07-01	2
1996-10-01	2
1997-01-01	4
1997-04-01	4
1997-07-01	4
1997-10-01	4
1998-01-01	4
1998-04-01	4
1998-07-01	16
1998-10-01	56
1999-01-01	58
1999-04-01	19
1999-07-01	22
1999-10-01	42
2000-01-01	39
2000-04-01	38
2000-07-01	40
2000-10-01	35
2001-01-01	40
2001-04-01	50
2001-07-01	50
2001-10-01	48
2002-01-01	63
2002-04-01	63
2002-07-01	50
2002-10-01	52
2003-01-01	37
2003-04-01	32
2003-07-01	232
2003-10-01	220
2004-01-01	220
2004-04-01	1250
2004-07-01	1086
2004-10-01	1111
2005-01-01	1111
2005-04-01	81
2005-07-01	65
2005-10-01	40
2006-01-01	40
2006-04-01	40
2006-07-01	20
2006-10-01	20
2007-01-01	20
2007-04-01	20
2007-07-01	20
2007-10-01	20
2008-01-01	70
2008-04-01	70
2008-07-01	70
2008-10-01	70
2009-01-01	10
2009-04-01	10
2009-07-01	0
2009-10-01	0
2010-01-01	0
2010-04-01	0
2010-07-01	0
2010-10-01	0
2011-01-01	150
2011-04-01	355
2011-07-01	355
2011-10-01	353
2012-01-01	219
2012-04-01	14
2012-07-01	189
2012-10-01	439
2013-01-01	425
2013-04-01	425
2013-07-01	250
2013-10-01	0
2014-01-01	0
2014-04-01	0
2014-07-01	0
2014-10-01	0
2015-01-01	40
2015-04-01	40
2015-07-01	40
2015-10-01	40
2016-01-01	0
2016-04-01	0
2016-07-01	1
2016-10-01	1
2017-01-01	1
2017-04-01	1
2017-07-01	0
2017-10-01	0
2018-01-01	0
2018-04-01	0