Year	Sterling
1997-12-31	8247
1998-12-31	8664
1999-12-31	9218
2000-12-31	8745
2001-12-31	8896
2002-12-31	9018
2003-12-31	8560
2004-12-31	9634
2005-12-31	9293
2006-12-31	10120
2007-12-31	9429
2008-12-31	9929
2009-12-31	11260
2010-12-31	11029
2011-12-31	10270
2012-12-31	9926
2013-12-31	9345
2014-12-31	10426
2015-12-31	12138
2016-12-31	12058
2017-12-31	12623
2018-12-31	12411
2019-12-31	10355