Year Sterling (millions) 1998-12-31 874 1999-12-31 233 2000-12-31 1551 2001-12-31 1643 2002-12-31 2192 2003-12-31 2999 2004-12-31 3331 2005-12-31 4595 2006-12-31 5718 2007-12-31 9744 2008-12-31 12419 2009-12-31 14010 2010-12-31 15696 2011-12-31 15579 2012-12-31 15367