YearPToutPBase 100
201096.56%100
201195.68%100.5
201295.24%101
201395.42%101.5
201495.94%102
201593.52%102.5
201699.68%103
201799.31%103.5
201899.54%104
201999.29%104.5
202099.45%105.1
2021100%105.6
Evolution : 5 % entre 2010 et 2021 soit 0.46 % de gain par an.