Year	Sterling (millions)
1999-12-31	53
2000-12-31	191
2001-12-31	192
2002-12-31	198
2003-12-31	169
2004-12-31	133
2005-12-31	108
2006-12-31	124
2007-12-31	114
2008-12-31	185
2009-12-31	132
2010-12-31	111
2011-12-31	89
2012-12-31	55
2013-12-31	46
2014-12-31	41
2015-12-31	52
2016-12-31	63
2017-12-31	146
2018-12-31	67
2019-12-31	159