YearPToutPBase 100
201195.57%100
201295.73%100.2
201394.26%100.5
201496.2%100.7
201595.37%100.9
201696.13%101.2
201797.81%101.4
201898.53%101.6
201997.66%101.9
2020100%102.1
202195.88%102.3
202295.93%102.6
Evolution : 2 % entre 2011 et 2022 soit 0.21 % de gain par an.