YearPToutPBase 100
201297.58%100
201395.86%100.4
201493.8%100.8
201592.9%101.2
201695.78%101.6
201797.22%102
201896.82%102.4
2019100%102.8
202099.24%103.2
202196.95%103.6
Evolution : 3 % entre 2012 et 2021 soit 0.35 % de gain par an.