YearPToutPBase 100
201194.51%100
201295.8%100.3
201395.16%100.7
201496.46%101
201595.75%101.3
201693.7%101.6
201792.98%102
201898.17%102.3
2019100%102.6
202097.41%103
202197%103.3
Evolution : 3 % entre 2011 et 2021 soit 0.30 % de gain par an.