YearPToutPBase 100
201193.09%100
201293.57%100.6
201394.22%101.2
201492.65%101.8
201594.78%102.4
201691.79%103
201795.21%103.7
201893.83%104.3
201995.81%104.9
2020100%105.5
202198.78%106.1
Evolution : 6 % entre 2011 et 2021 soit 0.54 % de gain par an.