YearPToutPBase 100
201191.55%100
201289.88%100.3
201385.82%100.7
201485.59%101
201586.03%101.3
201685.08%101.7
201787.7%102
201888.53%102.3
201988.24%102.7
202083.55%103
2021100%103.3
Evolution : 3 % entre 2011 et 2021 soit 0.30 % de gain par an.