Year	Sterling (millions)
1998-12-31	-12
1999-12-31	-172
2000-12-31	26
2001-12-31	169
2002-12-31	-45
2003-12-31	93
2004-12-31	375
2005-12-31	607
2006-12-31	422
2007-12-31	-266
2008-12-31	916
2009-12-31	-543
2010-12-31	-133
2011-12-31	304
2012-12-31	-298