YearPToutPBase 100
201180.84%100
201288.95%101.1
201392.93%102.1
201489.46%103.2
201587.47%104.3
201687.51%105.4
201786.07%106.4
201884.92%107.5
201985.6%108.6
202098.12%109.7
2021100%110.7
Evolution : 10 % entre 2011 et 2021 soit 0.93 % de gain par an.