YearPToutPBase 100
201195.98%100
201297.75%100.3
201396.18%100.5
201498.18%100.8
201597.96%101
201693.89%101.3
201795.08%101.5
201895.25%101.8
201999.85%102
202098.9%102.3
2021100%102.6
Evolution : 2 % entre 2011 et 2021 soit 0.23 % de gain par an.