YearPToutPBase 100
201096.58%100
201196.74%100.2
201297.23%100.5
201398.32%100.7
201499.61%100.9
201599.14%101.2
201698.18%101.4
201799.15%101.6
201898.9%101.9
201999.42%102.1
202098.04%102.3
2021100%102.6
Evolution : 2 % entre 2010 et 2021 soit 0.21 % de gain par an.