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 2009-10-01 160 2010-01-01 160 2010-04-01 160 2010-07-01 160 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 14 2012-10-01 264 2013-01-01 250 2013-04-01 250 2013-07-01 250 2013-10-01 0 2014-01-01 0 2014-04-01 0 2014-07-01 0 2014-10-01 284 2015-01-01 324 2015-04-01 324 2015-07-01 324 2015-10-01 40 2016-01-01 550 2016-04-01 550 2016-07-01 551 2016-10-01 551 2017-01-01 1 2017-04-01 1 2017-07-01 0 2017-10-01 0 2018-01-01 0 2018-04-01 0