Year Sterling (millions) 1998-12-31 36 1999-03-31 36 1999-06-30 36 1999-09-30 36 1999-12-31 40 2000-03-31 40 2000-06-30 40 2000-09-30 40 2000-12-31 49 2001-03-31 49 2001-06-30 49 2001-09-30 49 2001-12-31 75 2002-03-31 75 2002-06-30 75 2002-09-30 75 2002-12-31 102 2003-03-31 102 2003-06-30 102 2003-09-30 102 2003-12-31 0 2004-03-31 134 2004-06-30 134 2004-09-30 134 2004-12-31 0 2005-03-31 142 2005-06-30 142 2005-09-30 142 2005-12-31 0 2006-03-31 106 2006-06-30 106 2006-09-30 106 2006-12-31 0 2007-12-31 0 2008-12-31 0 2009-12-31 0 2010-12-31 0 2011-12-31 0 2012-12-31 0