YearPToutPBase 100
201096.62%100
201196.76%100.2
201297.69%100.4
201398.06%100.6
201499.33%100.8
201599.61%100.9
2016100%101.1
201799.73%101.3
201899.62%101.5
201998.87%101.7
202098.19%101.9
202199.54%102.1
202299.02%102.3
Evolution : 2 % entre 2010 et 2022 soit 0.18 % de gain par an.