Year Sterling (millions) 1998-12-31 18 1999-12-31 -22 2000-12-31 142 2001-12-31 166 2002-12-31 241 2003-12-31 345 2004-12-31 359 2005-12-31 343 2006-12-31 349 2007-12-31 360 2008-12-31 480 2009-12-31 576 2010-12-31 329 2011-12-31 523 2012-12-31 410