YearPToutPBase 100
201188.57%100
201289.81%101.1
201388.96%102.2
201496.1%103.3
201597.9%104.4
201694.73%105.5
201794.98%106.7
201895.72%107.8
201995.25%108.9
2020100%110
202199.27%111.1
Evolution : 11 % entre 2011 et 2021 soit 0.96 % de gain par an.