Year Sterling (millions) 1998-12-31 141 1999-12-31 260 2000-12-31 135 2001-12-31 162 2002-12-31 184 2003-12-31 287 2004-12-31 194 2005-12-31 187 2006-12-31 141 2007-12-31 191 2008-12-31 206 2009-12-31 305 2010-12-31 393 2011-12-31 396 2012-12-31 318