YearPToutPBase 100
201098.23%100
201194.22%100.5
201293.68%101.1
201390.82%101.6
201493.63%102.2
201593.66%102.7
201691.84%103.2
201798.36%103.8
201898.71%104.3
201998.89%104.9
2020100%105.4
202198.56%105.9
Evolution : 5 % entre 2010 et 2021 soit 0.48 % de gain par an.