Year	Sterling (millions)
1999-12-31	38
2000-12-31	83
2001-12-31	135
2002-12-31	513
2003-12-31	1593
2004-12-31	884
2005-12-31	1013
2006-12-31	1620
2007-12-31	310
2008-12-31	436
2009-12-31	484
2010-12-31	879
2011-12-31	1061
2012-12-31	3032
2013-12-31	2609
2014-12-31	1539
2015-12-31	1982
2016-12-31	2720
2017-12-31	409
2018-12-31	-599
2019-12-31	652
2020-12-31	1130
2021-12-31	25
2022-12-31	12
2023-12-31	10