Year Sterling (millions) 2004-12-31 5807 2005-12-31 8028 2006-12-31 8920 2007-12-31 8007 2008-12-31 45 2009-12-31 111 2010-12-31 -4432 2011-12-31 6254 2012-12-31 4184 2013-12-31 1677