Year	Sterling (millions)
2011-12-31	21824
2012-12-31	20895
2013-12-31	21386
2014-12-31	18251
2015-12-31	21810
2016-12-31	14764
2017-12-31	11277
2018-12-31	9230
2019-12-31	13098
2020-12-31	13888
2021-12-31	14220
2022-12-31	21183
2023-12-31	22370