YearPToutPBase 100
201288.96%100
201388.2%100.7
201488.92%101.4
201588.69%102.1
201689.72%102.8
201789.34%103.5
201889.08%104.2
201986.77%104.9
202089.69%105.6
2021100%106.2
Evolution : 6 % entre 2012 et 2021 soit 0.60 % de gain par an.