YearPToutPBase 100
201195.97%100
201295.75%100.2
201394.77%100.4
201495.18%100.7
201594.04%100.9
201689.83%101.1
201795.72%101.3
201898.86%101.6
201997.64%101.8
2020100%102
202193.66%102.2
Evolution : 2 % entre 2011 et 2021 soit 0.20 % de gain par an.