Year Sterling (millions) 1997-12-31 2850 1998-12-31 4310 1999-12-31 8607 2000-12-31 11706 2001-12-31 10633 2002-12-31 10298 2003-12-31 11688 2004-12-31 13187 2005-12-31 13176 2006-12-31 12384 2007-12-31 13811 2008-12-31 26966 2009-12-31 37235