Year Sterling (millions) 1998-12-31 35 1999-12-31 40 2000-12-31 220 2001-12-31 272 2002-12-31 217 2003-12-31 292 2004-12-31 262 2005-12-31 337 2006-12-31 404 2007-12-31 361 2008-12-31 923 2009-12-31 586 2010-12-31 631 2011-12-31 632 2012-12-31 614