Year	Sterling
1997-12-31	6592
1998-12-31	6789
1999-12-31	6123
2000-12-31	6383
2001-12-31	6855
2002-12-31	6228
2003-12-31	6245
2004-12-31	7801
2005-12-31	9754
2006-12-31	9280
2007-12-31	10427
2008-12-31	9349
2009-12-31	11735
2010-12-31	11636
2011-12-31	8749
2012-12-31	11214
2013-12-31	11867
2014-12-31	12189
2015-12-31	14795
2016-12-31	15545
2017-12-31	17011
2018-12-31	18064
2019-12-31	17762
2020-12-31	21458
2021-12-31	20335
2022-12-31	18669
2023-12-31	19771