YearPToutPBase 100
201195.96%100
201296.87%100.4
201394.02%100.8
201496.48%101.2
201598.01%101.6
201696.01%102
201797.78%102.4
201898.49%102.8
2019100%103.2
202099.73%103.6
202197.79%104
Evolution : 4 % entre 2011 et 2021 soit 0.36 % de gain par an.