Year Sterling (millions) 1999-12-31 4380 2000-12-31 4338 2001-12-31 5378 2002-12-31 4337 2003-12-31 6558 2004-12-31 12951 2005-12-31 18204 2006-12-31 24540 2007-12-31 34375 2008-12-31 51275 2009-12-31 35629