YearPToutPBase 100
201293.93%100
201395.25%100.4
201495.65%100.7
201595.54%101.1
201697.91%101.5
2017100%101.8
201897.78%102.2
201998.77%102.6
202099.01%102.9
202194.72%103.3
Evolution : 3 % entre 2012 et 2021 soit 0.33 % de gain par an.