Year	Sterling (millions)
1997-12-31	63
1998-12-31	110
1999-12-31	66
2000-12-31	35
2001-12-31	67
2002-12-31	95
2003-12-31	181
2004-12-31	220
2005-12-31	294
2006-12-31	570
2007-12-31	295
2008-12-31	576
2009-12-31	326
2010-12-31	497
2011-12-31	390
2012-12-31	261
2013-12-31	237
2014-12-31	276
2015-12-31	430
2016-12-31	619
2017-12-31	550
2018-12-31	503
2019-12-31	523