Year Sterling (millions) 1998-12-31 77 1999-12-31 80 2000-12-31 123 2001-12-31 82 2002-12-31 86 2003-12-31 151 2004-12-31 220 2005-12-31 170 2006-12-31 290 2007-12-31 280 2008-12-31 334 2009-12-31 247 2010-12-31 331 2011-12-31 331 2012-12-31 251