YearPToutPBase 100
201197.07%100
201296.3%100.3
201398.39%100.6
201493.7%100.9
201596.19%101.2
201697.5%101.5
201799.2%101.8
201898.46%102.1
201999.32%102.5
202097.31%102.8
2021100%103.1
202299.06%103.4
Evolution : 3 % entre 2011 et 2022 soit 0.28 % de gain par an.