YearPToutPBase 100
201095.08%100
201194.42%100.3
201296.91%100.5
201397.49%100.8
201497.3%101
201597.22%101.3
201695.85%101.5
201799%101.8
2018100%102.1
201999.19%102.3
202097.79%102.6
202195.79%102.8
Evolution : 2 % entre 2010 et 2021 soit 0.23 % de gain par an.