YearPToutPBase 100
201195.76%100
201296.3%100.3
201396.26%100.6
201495.95%100.9
201598.31%101.3
201697.25%101.6
201798.39%101.9
201898.11%102.2
201997.83%102.5
2020100%102.8
202197.58%103.1
Evolution : 3 % entre 2011 et 2021 soit 0.28 % de gain par an.