Year	Sterling (millions)
1999-12-31	25
2000-12-31	58
2001-12-31	115
2002-12-31	77
2003-12-31	43
2004-12-31	49
2005-12-31	41
2006-12-31	-128
2007-12-31	-271
2008-12-31	962
2009-12-31	68
2010-12-31	374
2011-12-31	690
2012-12-31	803
2013-12-31	524
2014-12-31	-192
2015-12-31	83
2016-12-31	510
2017-12-31	296
2018-12-31	1626
2019-12-31	1138
2020-12-31	254
2021-12-31	878
2022-12-31	1200
2023-12-31	1267