Year Sterling (millions) 1998-12-31 160 1999-12-31 174 2000-12-31 280 2001-12-31 319 2002-12-31 248 2003-12-31 420 2004-12-31 339 2005-12-31 301 2006-12-31 408 2007-12-31 784 2008-12-31 817 2009-12-31 625 2010-12-31 700 2011-12-31 635 2012-12-31 487