YearPToutPBase 100
201193.74%100
201295.91%100.4
201396.07%100.8
201498.42%101.2
201597.56%101.6
201699.5%102.1
201799.36%102.5
201899.5%102.9
201995.39%103.3
202098.45%103.7
2021100%104.1
Evolution : 4 % entre 2011 et 2021 soit 0.37 % de gain par an.