Year Sterling (millions) 1997-12-31 201 1998-12-31 321 1999-12-31 177 2000-12-31 400 2001-12-31 321 2002-12-31 258 2003-12-31 259 2004-12-31 426 2005-12-31 579 2006-12-31 1328 2007-12-31 1290 2008-12-31 1491 2009-12-31 1574