Year Sterling (millions) 1998-12-31 5 1999-12-31 6 2000-12-31 11 2001-12-31 8 2002-12-31 7 2003-12-31 6 2004-12-31 16 2005-12-31 30 2006-12-31 9 2007-12-31 10 2008-12-31 10 2009-12-31 14 2010-12-31 11 2011-12-31 2 2012-12-31 2