YearPToutPBase 100
201295.95%100
201394.68%100.1
201496.92%100.3
201597.56%100.4
201696.71%100.6
201799.08%100.7
201895.93%100.8
201996.89%101
202094.53%101.1
202193.91%101.3
2022100%101.4
202398.61%101.5
Evolution : 1 % entre 2012 et 2023 soit 0.12 % de gain par an.