Year	Sterling (millions)
2004-12-31	600
2005-12-31	887
2006-12-31	1104
2007-12-31	1280
2008-12-31	986
2009-12-31	612
2010-12-31	547
2011-12-31	1070
2012-12-31	692
2013-12-31	763
2014-12-31	575
2015-12-31	557