YearPToutPBase 100
201296.08%100
201395.28%100.1
201496.41%100.3
201597.42%100.4
2016100%100.5
201794.88%100.6
201898.5%100.8
201998.29%100.9
202096.04%101
202197.85%101.2
202296.93%101.3
Evolution : 1 % entre 2012 et 2022 soit 0.12 % de gain par an.