YearPToutPBase 100
201194.95%100
201296.32%100.3
201394.98%100.6
201495.25%100.9
201594.7%101.2
201695.52%101.5
2017100%101.7
201896.86%102
201997.55%102.3
202096.34%102.6
Evolution : 2 % entre 2011 et 2020 soit 0.26 % de gain par an.