Year Sterling (millions) 1998-12-31 43 1999-12-31 65 2000-12-31 453 2001-12-31 520 2002-12-31 460 2003-12-31 475 2004-12-31 431 2005-12-31 392 2006-12-31 643 2007-12-31 932 2008-12-31 1093 2009-12-31 872 2010-12-31 1037 2011-12-31 1059 2012-12-31 873