YearPToutPBase 100
201195.04%100
201296.34%100.2
201397.38%100.4
201498%100.6
201599.56%100.8
201699.35%100.9
2017100%101.1
201899.86%101.3
201999.38%101.5
202098.58%101.7
202194.45%101.9
202299.84%102.1
Evolution : 2 % entre 2011 et 2022 soit 0.17 % de gain par an.