Year Sterling (millions) 1998-12-31 128 1999-12-31 41 2000-12-31 48 2001-12-31 47 2002-12-31 49 2003-12-31 72 2004-12-31 45 2005-12-31 45 2006-12-31 45 2007-12-31 41 2008-12-31 44 2009-12-31 43 2010-12-31 42 2011-12-31 37 2012-12-31 3