Year Sterling (millions) 1998-12-31 12 2000-12-31 3 2001-12-31 4 2002-12-31 70 2003-12-31 37 2004-12-31 88 2005-12-31 163 2006-12-31 218 2007-12-31 389 2008-12-31 108 2009-12-31 44 2011-12-31 25 2012-12-31 1