Year Sterling (millions) 1998-12-31 352 1999-12-31 318 2000-12-31 313 2001-12-31 351 2002-12-31 528 2003-12-31 381 2004-12-31 197 2006-12-31 1 2007-12-31 0 2008-12-31 0 2009-12-31 0 2010-12-31 0 2011-12-31 32 2012-12-31 0