Year Sterling (millions) 1998-12-31 26 1999-12-31 12 2000-12-31 7 2001-12-31 57 2004-12-31 1 2005-12-31 4 2006-12-31 2 2007-12-31 0 2008-12-31 -1 2010-12-31 0 2011-12-31 0 2012-12-31 0