YearPToutPBase 100
201194%100
201293.89%100
201395.26%100.1
201495.74%100.1
201594.78%100.2
201799.68%100.3
201898.19%100.3
201997.93%100.4
202097.24%100.4
2021100%100.5
Evolution : 0 % entre 2011 et 2021 soit 0.05 % de gain par an.