IUAASOIA

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Date Annual average Sterling overnight index average (SONIA) lending rate
[a]
IUAASOIA
31 Dec 10 0.4881
31 Dec 11 0.5259
31 Dec 12 0.4659
31 Dec 13 0.4283
31 Dec 14 0.4259
31 Dec 15 0.4559
31 Dec 16 0.3601
31 Dec 17 0.2514
31 Dec 18 0.56

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Notes:

[a] On 23 April 2018, SONIA was reformed. For further information on the changes made, see the `Background on SONIA reform' section of the following page: www.bankofengland.co.uk/markets/sonia-benchmark