Year	Sterling (millions)
2004-12-31	15660
2005-12-31	15085
2006-12-31	16871
2007-12-31	18175
2008-12-31	20163
2009-12-31	16787
2010-12-31	18462
2011-12-31	22771
2012-12-31	21549
2013-12-31	23000
2014-12-31	21961
2015-12-31	21868
2016-12-31	28738
2017-12-31	27514
2018-12-31	24321