YearPToutPBase 100
201195.66%100
201294.29%100.4
201395.55%100.8
201495.55%101.2
201596.83%101.6
201697.78%102
2017100%102.4
201899%102.8
201997.61%103.2
202096.5%103.6
Evolution : 3 % entre 2011 et 2020 soit 0.35 % de gain par an.