Year Sterling (millions) 1999-12-31 33 2000-12-31 42 2001-12-31 31 2002-12-31 38 2003-12-31 21 2004-12-31 34 2005-12-31 22 2006-12-31 24 2007-12-31 41 2008-12-31 57 2009-12-31 22