YearPToutPBase 100
201291.56%100
201387.2%100.5
2014100%101
201585.41%101.6
201684.15%102.1
201796.76%102.6
201896.7%103.1
201995.3%103.6
202093.66%104.1
202192.53%104.7
Evolution : 4 % entre 2012 et 2021 soit 0.46 % de gain par an.