Year Sterling (millions) 1998-12-31 168 1999-12-31 204 2000-12-31 244 2001-12-31 212 2002-12-31 269 2003-12-31 458 2004-12-31 821 2005-12-31 948 2006-12-31 989 2007-12-31 1043 2008-12-31 1104 2009-12-31 948 2010-12-31 734 2011-12-31 628 2012-12-31 542