YearPToutPBase 100
201189.57%100
201287.78%101.3
201390.06%102.6
201487.81%103.9
201591.93%105.2
201689.29%106.5
2017100%107.8
201895.3%109.1
201998.14%110.4
202099.4%111.7
202195.92%113
Evolution : 13 % entre 2011 et 2021 soit 1.12 % de gain par an.