YearPToutPBase 100
201187.73%100
201286.6%101.2
201387.02%102.4
201486.77%103.6
201587.6%104.7
201686.08%105.9
201786.16%107.1
201886.66%108.3
201988.41%109.5
202098.13%110.7
2021100%111.9
Evolution : 11 % entre 2011 et 2021 soit 1.03 % de gain par an.