YearPToutPBase 100
201294.6%100
201393.6%100.5
201494.16%101.1
201596.05%101.6
201694.3%102.2
201795.93%102.7
201897.91%103.3
201993.65%103.8
202098.08%104.4
2021100%104.9
Evolution : 4 % entre 2012 et 2021 soit 0.48 % de gain par an.