YearPToutPBase 100
201195.37%100
201296.8%100.3
201394.27%100.7
201495.02%101
201595.74%101.3
201696.87%101.7
201795.7%102
2018100%102.3
201996.83%102.6
202095.78%103
202199.58%103.3
Evolution : 3 % entre 2011 et 2021 soit 0.30 % de gain par an.