Year Sterling (millions) 1998-12-31 8 1999-12-31 8 2000-12-31 10 2001-12-31 7 2002-12-31 9 2003-12-31 10 2004-12-31 8 2005-12-31 8 2006-12-31 12 2007-12-31 5 2008-12-31 5 2009-12-31 4 2010-12-31 3 2011-12-31 3 2012-12-31 4