YearPToutPBase 100
201098.77%100
201198.35%100.1
201296.88%100.2
201399.89%100.3
201498.74%100.4
201599.87%100.5
201698.74%100.6
201796.89%100.7
201898.95%100.9
201999.08%101
202099.74%101.1
2021100%101.2
Evolution : 1 % entre 2010 et 2021 soit 0.10 % de gain par an.