YearPToutPBase 100
201187.27%100
201287.91%101.7
201387.28%103.5
201487.53%105.2
201590.14%106.9
201668.82%108.6
201786%110.4
201899.85%112.1
2019100%113.8
202099.6%115.6
202197.78%117.3
Evolution : 17 % entre 2011 et 2021 soit 1.46 % de gain par an.