Year Sterling (millions) 1999-12-31 1291 2000-12-31 1398 2001-12-31 1851 2002-12-31 2265 2003-12-31 2460 2004-12-31 2509 2005-12-31 2997 2006-12-31 4328 2007-12-31 6623 2008-12-31 9353 2009-12-31 5720