Year Sterling (millions) 1998-12-31 353 1999-12-31 356 2000-12-31 254 2001-12-31 265 2002-12-31 304 2003-12-31 432 2004-12-31 262 2005-12-31 250 2006-12-31 204 2007-12-31 245 2008-12-31 258 2009-12-31 356 2010-12-31 444 2011-12-31 434 2012-12-31 322