YearPToutPBase 100
201194.66%100
201296.91%100.2
201395.85%100.4
201496.66%100.6
201598.76%100.8
201698.55%101
2017100%101.1
201896.94%101.3
201998.33%101.5
202097.37%101.7
202197.45%101.9
202297.65%102.1
Evolution : 2 % entre 2011 et 2022 soit 0.17 % de gain par an.