YearPToutPBase 100
201190.34%100
201292.33%100.3
201389.94%100.5
201494.24%100.8
201593.68%101.1
201693.07%101.3
201796.61%101.6
201891.82%101.9
2019100%102.1
202092.88%102.4
202188.85%102.6
202295.2%102.9
Evolution : 2 % entre 2011 et 2022 soit 0.24 % de gain par an.