YearPToutPBase 100
201096.93%100
201194.14%100.3
201294.53%100.6
201395.03%100.8
201495.47%101.1
201595.69%101.4
201694.27%101.7
201795.02%102
201896.92%102.2
201995.74%102.5
202097.14%102.8
2021100%103.1
Evolution : 3 % entre 2010 et 2021 soit 0.25 % de gain par an.