YearPToutPBase 100
201192.28%100
201298.06%100.5
201396.35%101.1
201495.91%101.6
201581.06%102.2
2016100%102.7
201799.48%103.3
201899.41%103.8
201996.76%104.4
202096.73%104.9
202199.21%105.4
Evolution : 5 % entre 2011 et 2021 soit 0.48 % de gain par an.