YearPToutPBase 100
201099.96%100
201197.64%100.1
201294.51%100.3
201399.89%100.4
201494.27%100.5
201596.2%100.7
201696.69%100.8
201799.03%100.9
201897.56%101.1
201998.67%101.2
202098.09%101.3
2021100%101.5
Evolution : 1 % entre 2010 et 2021 soit 0.12 % de gain par an.