Year Sterling (millions) 1998-12-31 2523 1999-12-31 2760 2000-12-31 4179 2001-12-31 4850 2002-12-31 5234 2003-12-31 4138 2004-12-31 5368 2005-12-31 4428 2006-12-31 5085 2007-12-31 6053 2008-12-31 9756 2009-12-31 14924 2010-12-31 12467 2011-12-31 19096 2012-12-31 16456