YearPToutPBase 100
201197.63%100
201296.9%100.2
201397.88%100.4
201497.95%100.7
201598.72%100.9
201698.05%101.1
2017100%101.3
201899.26%101.5
2019100%101.8
202099.1%102
202198.47%102.2
202299.89%102.4
Evolution : 2 % entre 2011 et 2022 soit 0.20 % de gain par an.