Year Sterling (millions) 1998-12-31 124 1999-12-31 125 2000-12-31 108 2001-12-31 162 2002-12-31 216 2003-12-31 241 2004-12-31 415 2005-12-31 535 2006-12-31 581 2007-12-31 653 2008-12-31 522 2009-12-31 444 2010-12-31 462 2011-12-31 363 2012-12-31 325