Year Sterling (millions) 1999-12-31 50 2000-12-31 111 2001-12-31 23 2002-12-31 59 2003-12-31 29 2004-12-31 71 2005-12-31 42 2006-12-31 88 2007-12-31 222 2008-12-31 426 2009-12-31 777