YearPToutPBase 100
201193.48%100
201296.1%100.2
201395.42%100.4
201495.44%100.5
201595.45%100.7
201695.23%100.9
201796.96%101.1
201896.48%101.3
201996.97%101.5
202099.08%101.6
202198.48%101.8
2022100%102
202390.89%102.2
Evolution : 2 % entre 2011 et 2023 soit 0.17 % de gain par an.