YearPToutPBase 100
201195.36%100
201295.62%100.5
201394.34%100.9
201494.28%101.4
201593.57%101.9
201699.35%102.3
2017100%102.8
201898.35%103.3
201997.69%103.7
202098.81%104.2
202197.6%104.7
Evolution : 4 % entre 2011 et 2021 soit 0.42 % de gain par an.