YearPToutPBase 100
201195.67%100
201295.95%100.4
201396.3%100.8
201496.4%101.2
201596.34%101.5
201696.29%101.9
201795.65%102.3
201896.6%102.7
201997.54%103.1
202099.79%103.5
2021100%103.9
Evolution : 3 % entre 2011 et 2021 soit 0.35 % de gain par an.