Year	Sterling (millions)
1997-12-31	3945
1998-12-31	3842
1999-12-31	3580
2000-12-31	3512
2001-12-31	3968
2002-12-31	3904
2003-12-31	3082
2004-12-31	3581
2005-12-31	4122
2006-12-31	4564
2007-12-31	4713
2008-12-31	4380
2009-12-31	3769
2010-12-31	3987
2011-12-31	4425
2012-12-31	3905
2013-12-31	4270
2014-12-31	4768
2015-12-31	6335
2016-12-31	6104
2017-12-31	5921
2018-12-31	6288
2019-12-31	6718
2020-12-31	8647
2021-12-31	11915
2022-12-31	17163
2023-12-31	18388