YearPToutPBase 100
201094.3%100
201195.7%100.4
201296.19%100.9
201396.6%101.3
201495.7%101.8
201593.62%102.2
201699.65%102.7
201798.25%103.1
201899.89%103.6
201998.12%104
202098.32%104.5
2021100%104.9
202299.27%105.4
Evolution : 5 % entre 2010 et 2022 soit 0.41 % de gain par an.