Year	Sterling (millions)
1998-12-31	20
1999-12-31	10
2000-12-31	10
2001-12-31	138
2002-12-31	128
2003-12-31	120
2004-12-31	114
2005-12-31	181
2006-12-31	215
2007-12-31	215
2008-12-31	552
2009-12-31	504
2010-12-31	507
2011-12-31	502