YearPToutPBase 100
201196.73%100
201298.73%100.2
201398.42%100.5
201497.88%100.7
201598.16%101
201699.03%101.2
201799.7%101.5
201899.95%101.7
201998.24%102
2020100%102.2
Evolution : 2 % entre 2011 et 2020 soit 0.22 % de gain par an.