YearPToutPBase 100
201293.2%100
201394.93%100.7
201491.34%101.3
201589.61%102
201699.08%102.6
201792.65%103.3
201892.78%103.9
201994.66%104.6
202097.6%105.3
2021100%105.9
Evolution : 5 % entre 2012 et 2021 soit 0.57 % de gain par an.