YearPToutPBase 100
201194.5%100
201292.75%100.3
201395.33%100.5
201492.92%100.8
201588.51%101.1
201690.17%101.4
201791.3%101.6
201894.33%101.9
201989.24%102.2
202095.93%102.5
2021100%102.7
Evolution : 2 % entre 2011 et 2021 soit 0.24 % de gain par an.