YearPToutPBase 100
201197.97%100
201297.03%100.3
201397.64%100.6
201487.05%100.9
201591.87%101.2
201693.04%101.5
201793.31%101.9
201894.82%102.2
201996.65%102.5
2020100%102.8
202199.16%103.1
Evolution : 3 % entre 2011 et 2021 soit 0.28 % de gain par an.