Year Sterling (millions) 1998-12-31 3 1999-12-31 4 2000-12-31 11 2001-12-31 4 2002-12-31 3 2003-12-31 2 2004-12-31 5 2005-12-31 6 2006-12-31 7 2007-12-31 9 2008-12-31 7 2009-12-31 10 2010-12-31 12 2011-12-31 12 2012-12-31 16