Year Sterling (millions) 1997-12-31 26 1998-12-31 16 1999-12-31 3 2000-12-31 143 2001-12-31 79 2002-12-31 18 2003-12-31 21 2004-12-31 108 2005-12-31 74 2006-12-31 93 2007-12-31 205 2008-12-31 361 2009-12-31 49