Year Sterling (millions) 1998-12-31 4452 1999-12-31 3430 2000-12-31 4559 2001-12-31 5068 2002-12-31 4399 2003-12-31 5159 2004-12-31 6932 2005-12-31 8310 2006-12-31 9337 2007-12-31 10612 2008-12-31 16120 2009-12-31 16451 2010-12-31 15664 2011-12-31 15593 2012-12-31 9670