Year	Sterling (millions)
1998-12-31	60
1999-12-31	49
2000-12-31	101
2001-12-31	138
2002-12-31	128
2003-12-31	151
2004-12-31	19
2005-12-31	154
2006-12-31	23
2007-12-31	94
2008-12-31	122
2009-12-31	-260
2010-12-31	-169
2011-12-31	257
2012-12-31	-234
