Quarter Sterling 2003-03-31 7556 2003-06-30 4532 2003-09-30 10821 2003-12-31 6724 2004-03-31 13472 2004-06-30 6149 2004-09-30 6863 2004-12-31 14446 2005-03-31 8904 2005-06-30 12176 2005-09-30 9828 2005-12-31 10676 2006-03-31 17717 2006-06-30 7611 2006-09-30 17011 2006-12-31 16860 2007-03-31 15392 2007-06-30 16476 2007-09-30 12644 2007-12-31 21343 2008-03-31 12581 2008-06-30 18462 2008-09-30 14657 2008-12-31 9391 2009-03-31 24033 2009-06-30 10578 2009-09-30 14100 2009-12-31 13138 2010-03-31 8373 2010-06-30 24808 2010-09-30 13578 2010-12-31 27215 2011-03-31 22683 2011-06-30 26109 2011-09-30 12990 2011-12-31 23778 2012-03-31 40425 2012-06-30 56096 2012-09-30 6720 2012-12-31 9778 2013-03-31 19798 2013-06-30 8508 2013-09-30 9852 2013-12-31 9660 2014-03-31 17039 2014-06-30 12614 2014-09-30 10359 2014-12-31 10839 2015-03-31 24159 2015-06-30 10909 2015-09-30 10446 2015-12-31 23498 2016-03-31 20615 2016-06-30 15289 2016-09-30 18486 2016-12-31 15728 2017-03-31 17867 2017-06-30 14121 2017-09-30 17526 2017-12-31 18939 2018-03-31 11813 2018-06-30 17920 2018-09-30 10056 2018-12-31 12390 2019-03-31 9469 2019-06-30 21434 2019-09-30 17935 2019-12-31 15599