Year	Sterling (millions)
2004-12-31	319
2005-12-31	806
2006-12-31	939
2007-12-31	2180
2008-12-31	1292
2009-12-31	1104
2010-12-31	1030
2011-12-31	1205
2012-12-31	1717
2013-12-31	2139