Year Sterling (millions) 1998-12-31 1 1999-12-31 1 2000-12-31 3 2001-12-31 2 2002-12-31 0 2003-12-31 1 2004-12-31 1 2005-12-31 6 2006-12-31 16 2007-12-31 9 2008-12-31 12 2009-12-31 17 2010-12-31 9 2011-12-31 20 2012-12-31 7