YearPToutPBase 100
201293.38%100
201395.78%100.5
201496.96%101.1
201598.25%101.6
201695.33%102.1
201796.69%102.6
201898.44%103.2
201998.14%103.7
2020100%104.2
202198.37%104.7
Evolution : 4 % entre 2012 et 2021 soit 0.46 % de gain par an.