Year Sterling (millions) 1998-12-31 1579 1999-12-31 1528 2000-12-31 1513 2001-12-31 1531 2002-12-31 1521 2003-12-31 2146 2004-12-31 1846 2005-12-31 1327 2006-12-31 1266 2007-12-31 1999 2008-12-31 4223 2009-12-31 4309 2010-12-31 4642 2011-12-31 4996 2012-12-31 6007