£60
40
20
0
2010
-11
2012
-13
2014
-15
2016
-17
2018
-19
2020
-21
2022
-23
£60
40
20
0
2010
-11
2011
-12
2012
-13
2013
-14
2014
-15
2015
-16
2016
-17
2017
-18
2018
-19
2019
-20
2020
-21
2021
-22
2022
-23