Year Sterling (millions) 1999-12-31 5724 2000-12-31 3757 2001-12-31 3510 2002-12-31 4188 2003-12-31 3020 2004-12-31 4560 2005-12-31 3726 2006-12-31 5855 2007-12-31 8472 2008-12-31 11070 2009-12-31 5772 2010-12-31 3371 2011-12-31 3822 2012-12-31 3222 2013-12-31 2243 2014-12-31 1618 2015-12-31 1435 2016-12-31 891 2017-12-31 2956 2018-12-31 2309 2019-12-31 3243 2020-12-31 2534 2021-12-31 4568 2022-12-31 4425 2023-12-31 4354