Year Sterling (millions) 1998-12-31 3318 1999-12-31 2511 2000-12-31 2859 2001-12-31 3470 2002-12-31 3768 2003-12-31 4417 2004-12-31 4282 2005-12-31 4858 2006-12-31 7059 2007-12-31 6965 2008-12-31 5085 2009-12-31 3863 2010-12-31 4984 2011-12-31 12294 2012-12-31 13043