YearPToutPBase 100
201197.29%100
201293.6%100.5
201397.61%101
201494.24%101.4
201597.93%101.9
2016100%102.4
201799.36%102.9
201896.78%103.3
201999.38%103.8
202099.68%104.3
Evolution : 4 % entre 2011 et 2020 soit 0.42 % de gain par an.