YearPToutPBase 100
201195.54%100
201296.83%100.4
201395.92%100.7
201498.8%101.1
201598.13%101.5
201697.41%101.8
201799.48%102.2
201897.9%102.6
201998.97%102.9
202098.73%103.3
2021100%103.6
Evolution : 3 % entre 2011 et 2021 soit 0.32 % de gain par an.