YearPToutPBase 100
201193.25%100
201279.84%100.1
201394.16%100.3
201493.91%100.4
201595.84%100.5
201694.17%100.7
201795.76%100.8
201893.78%100.9
2019100%101.1
202082.27%101.2
202190.58%101.3
Evolution : 1 % entre 2011 et 2021 soit 0.12 % de gain par an.