YearPToutPBase 100
201293.47%100
201394.25%100.7
201493.44%101.5
201594.06%102.2
201694.07%102.9
201797.8%103.7
2018100%104.4
201996.78%105.1
202098.03%105.9
202198.78%106.6
Evolution : 6 % entre 2012 et 2021 soit 0.64 % de gain par an.