YearPToutPBase 100
201293.56%100
201397.13%100.6
201496.65%101.2
201595.58%101.8
201697.56%102.4
201797.35%103
201898.82%103.6
2019100%104.2
202099.12%104.8
202199.51%105.4
Evolution : 5 % entre 2012 et 2021 soit 0.53 % de gain par an.