YearPToutPBase 100
201294.7%100
201394.39%100.5
201495.36%100.9
201598.24%101.4
201695.71%101.9
201796.93%102.4
201898.57%102.8
201997.94%103.3
202095.97%103.8
2021100%104.2
Evolution : 4 % entre 2012 et 2021 soit 0.41 % de gain par an.