Year	Sterling
1997-12-31	2321
1998-12-31	2322
1999-12-31	2406
2000-12-31	2694
2001-12-31	2819
2002-12-31	2945
2003-12-31	2917
2004-12-31	3322
2005-12-31	3295
2006-12-31	3531
2007-12-31	4008
2008-12-31	4063
2009-12-31	4192
2010-12-31	5509
2011-12-31	5393
2012-12-31	4770
2013-12-31	4445
2014-12-31	5078
2015-12-31	5325
2016-12-31	6479
2017-12-31	6573
2018-12-31	7182
2019-12-31	7074
2020-12-31	11458
2021-12-31	11336
2022-12-31	10994
2023-12-31	11228