Year Sterling (millions) 1998-12-31 221 1999-12-31 375 2000-12-31 355 2001-12-31 406 2002-12-31 437 2003-12-31 739 2004-12-31 319 2005-12-31 806 2006-12-31 939 2007-12-31 2174 2008-12-31 1266 2009-12-31 906 2010-12-31 1028 2011-12-31 1183 2012-12-31 1709