Year Sterling (millions) 1997-12-31 2499 1998-12-31 4458 1999-12-31 2375 2000-12-31 2891 2001-12-31 4811 2002-12-31 8401 2003-12-31 158219 2004-12-31 166630 2005-12-31 184770 2006-12-31 185473 2007-12-31 147111 2008-12-31 74541 2009-12-31 52498