YearPToutPBase 100
201295.6%100
201395.83%100.3
201494.37%100.6
201598.63%100.9
201699.24%101.2
201799.44%101.4
201897.41%101.7
201998.71%102
202097.66%102.3
202195.9%102.6
2022100%102.9
Evolution : 2 % entre 2012 et 2022 soit 0.26 % de gain par an.