Year Sterling (millions) 1997-12-31 47158 1998-12-31 56639 1999-12-31 64943 2000-12-31 86362 2001-12-31 84068 2002-12-31 77460 2003-12-31 114091 2004-12-31 116652 2005-12-31 187606 2006-12-31 237177