YearPToutPBase 100
201194.39%100
201295.3%100.3
201396.77%100.6
201498.7%101
201598.88%101.3
201699.75%101.6
201782.91%101.9
201898.41%102.3
2019100%102.6
202098.42%102.9
202199.39%103.2
202299.05%103.6
Evolution : 3 % entre 2011 et 2022 soit 0.30 % de gain par an.