Year Sterling (millions) 1998-12-31 551 1999-12-31 286 2000-12-31 534 2001-12-31 496 2002-12-31 294 2003-12-31 291 2004-12-31 456 2005-12-31 482 2006-12-31 333 2007-12-31 411 2008-12-31 406 2009-12-31 457 2010-12-31 544 2011-12-31 622 2012-12-31 730