Year Sterling (millions) 1997-12-31 309 1998-12-31 207 1999-12-31 206 2000-12-31 287 2001-12-31 744 2002-12-31 979 2003-12-31 733 2004-12-31 702 2005-12-31 1063 2006-12-31 1831 2007-12-31 4099 2008-12-31 2622 2009-12-31 1399