Year	Sterling (millions)
1999-12-31	0
2000-12-31	0
2001-12-31	42
2002-12-31	32
2003-12-31	4
2004-12-31	19
2005-12-31	99
2006-12-31	408
2007-12-31	339
2008-12-31	83
2009-12-31	99
2010-12-31	660
2011-12-31	835
2012-12-31	2360
2013-12-31	2698
2014-12-31	2792
2015-12-31	1624
2016-12-31	3673
2017-12-31	6487
2018-12-31	5041
2019-12-31	4633