YearPToutPBase 100
201194.38%100
201296.25%100.5
201397.17%100.9
201497.15%101.4
201596.59%101.8
201698.31%102.3
201798.56%102.7
201896.99%103.2
201998.6%103.7
202099.75%104.1
2021100%104.6
Evolution : 4 % entre 2011 et 2021 soit 0.41 % de gain par an.