Year	Sterling (millions)
2004-12-31	3308
2005-12-31	2687
2006-12-31	5127
2007-12-31	4078
2008-12-31	5990
2009-12-31	1567
2010-12-31	-8491
2011-12-31	-2191
2012-12-31	3124
2013-12-31	-1466
2014-12-31	2803
2015-12-31	-2921
2016-12-31	-3254
2017-12-31	-2037
2018-12-31	-1865
2019-12-31	-999
2020-12-31	-1582
2021-12-31	2105
2022-12-31	-1886