YearPToutPBase 100
201295.08%100
201395.74%100.4
201498.15%100.8
201597.72%101.2
201695.36%101.7
201797.75%102.1
201896.76%102.5
201997.43%102.9
202099.3%103.3
2021100%103.7
Evolution : 3 % entre 2012 et 2021 soit 0.36 % de gain par an.