YearPToutPBase 100
201188%100
201284.85%101
201386.64%102.1
201488%103.1
201598.77%104.2
201692.4%105.2
2017100%106.3
201898.54%107.3
201996.63%108.3
202093.37%109.4
202190.9%110.4
Evolution : 10 % entre 2011 et 2021 soit 0.90 % de gain par an.