YearPToutPBase 100
201195.27%100
201293.74%100.9
201391.26%101.8
201490.58%102.7
201590.89%103.6
201693.42%104.5
201798.52%105.4
201897.56%106.3
201998.96%107.2
202099.88%108.1
202199.92%109
2022100%109.9
Evolution : 9 % entre 2011 et 2022 soit 0.79 % de gain par an.