Year Sterling (millions) 1998-12-31 112 1999-12-31 123 2000-12-31 151 2001-12-31 228 2002-12-31 243 2003-12-31 0 2004-12-31 0 2005-12-31 0 2006-12-31 0 2007-12-31 0 2008-12-31 0 2009-12-31 0 2010-12-31 0 2011-12-31 0 2012-12-31 0