YearPToutPBase 100
201192.83%100
201291.74%100.5
201388.42%101
201493.96%101.6
201594.35%102.1
201692.98%102.6
201796.29%103.1
201898.25%103.6
2019100%104.2
202097.59%104.7
202193.69%105.2
202294.13%105.7
202397.25%106.2
Evolution : 6 % entre 2011 et 2023 soit 0.46 % de gain par an.