Year Sterling (millions) 1999-12-31 5142 2000-12-31 5629 2001-12-31 6097 2002-12-31 5329 2003-12-31 10178 2004-12-31 12905 2005-12-31 22890 2006-12-31 32012 2007-12-31 46134 2008-12-31 55591 2009-12-31 61972