YearPToutPBase 100
201195.69%100
201295.84%100.4
201394.37%100.8
201496.28%101.2
201595.51%101.7
201696.21%102.1
201797.91%102.5
201898.69%102.9
201997.74%103.3
2020100%103.7
202197.53%104.1
Evolution : 4 % entre 2011 et 2021 soit 0.37 % de gain par an.